Use the A-Z list to browse more than 6,000 health-related topics in our library. Clicking on a term opens the definition and, in most cases, links to more information.
"A Coronary" is more commonly referred to as "Heart Attack" in the medical community. Heart Attack
Also Known As: "MI, Myocardial Infarction, Acute Myocardial Infarction, Acute MI, Acute Heart Attack"
Scarring, or death, of heart muscle due to lack of oxygen. Oxygen-rich blood is blocked by a blood clot in a coronary artery, usually due to plaque-related narrowing of the artery. More Information on Heart Attack: Cholesterol
"A II Blockers" is more commonly referred to as "Angiotensin II Receptor Blockers" in the medical community. Angiotensin II Receptor Blockers
Also Known As: "ARBs, Angiotensin II Antagonists"
Medications that widen blood vessels by preventing a substance called angiotensin II from entering angiotensin II receptors. Angiotensin II is one of several substances in the body that cause blood vessels to tighten and regulates blood pressure. More Information on Angiotensin II Receptor Blockers: Blood Pressure
The bulging or ballooning out of part of the wall of the abdominal aorta, which carries oxygen-rich blood from the heart to the body. While aortic aneurysm may be fatal, most cases are preventable with early detection. More Information on AAA: Aneurysm
"AACFS" is more commonly referred to as "American Association for Chronic Fatigue Syndrome" in the medical community. American Association for Chronic Fatigue Syndrome
Organization that promotes research, education, and advocacy to further understanding, and eventually develop effective treatments, for chronic fatigue syndrome and related conditions, such as fibromyalgia
"AAGP" is more commonly referred to as "American Association of Geriatric Psychiatry" in the medical community. American Association of Geriatric Psychiatry
A national association dedicated to the mental health and well-being of older adults with the goal of improving the knowledge base and standard of practice in geriatric psychiatry through research and education.
"AAKP" is more commonly referred to as "American Association of Kidney Patients" in the medical community. American Association of Kidney Patients
A national organization that provides support, education and advocacy for kidney patients and their families. The group includes patients, family members, renal professionals, friends and institutional members.
"AAMR" is more commonly referred to as "American Association on Mental Retardation" in the medical community. American Association on Mental Retardation
A national, professional society focusing on research into intellectual and developmental disabilities and the human rights of and policies and practices dealing with people with such disabilities.
"AAPCC" is more commonly referred to as "American Association of Poison Control Centers" in the medical community. American Association of Poison Control Centers
A national organization of local poison control centers that sets voluntary standards for local centers, supports research and promotes public and professional educational opportunities toward a goal of reducing poisoning injuries and deaths.
A type of gonadotropin releasing hormone (GnRH) antagonist, medications that reduce the amount of testosterone produced by the body. More Information on Abarelix: Cancer Drug & Medication
An approach used to manage or change a behavior. It stands for Antecedent (an occurrence prior to behavior) Behavior (reaction to the occurrence) Consequence (results that follow the behavior and will determine if behavior will occur again).
An approach used to manage or change a behavior. It stands for Antecedent (an occurrence prior to behavior) Behavior (reaction to the occurrence) Consequence (results that follow the behavior and will determine if behavior will occur again).
A Centers for Disease Control and Prevention (CDC) project designed to track five specific pathogens with a goal of better understanding each disease, how it spreads and its overall social impact.
Also Known As: "Whitmore Jewett Staging System, ABCD Cancer Staging, ABCD Staging System, Jewett Staging System"
A staging system for prostate cancer that uses ABCD to designate if the cancer has spread and how far. A and B indicate cancer remains in the prostate; C means cancer has not spread to the lymph nodes; D means cancer has invaded the nodes. More Information on ABCD Cancer Rating: Cancer Basics
Also Known As: "Whitmore Jewett Staging System, ABCD Staging System, Jewett Staging System, ABCD Cancer Rating"
A staging system for prostate cancer that uses ABCD to designate if the cancer has spread and how far. A and B indicate cancer remains in the prostate; C means cancer has not spread to the lymph nodes; D means cancer has invaded the nodes. More Information on ABCD Cancer Staging: Cancer Basics
Also Known As: "ABCD Cancer Rating, Whitmore Jewett Staging System, ABCD Cancer Staging, ABCD Staging System, Jewett Staging System"
A staging system for prostate cancer that uses ABCD to designate if the cancer has spread and how far. A and B indicate cancer remains in the prostate; C means cancer has not spread to the lymph nodes; D means cancer has invaded the nodes. More Information on ABCD Rating: Cancer Basics
Also Known As: "Whitmore Jewett Staging System, Jewett Staging System, ABCD Cancer Rating, ABCD Cancer Staging"
A staging system for prostate cancer that uses ABCD to designate if the cancer has spread and how far. A and B indicate cancer remains in the prostate; C means cancer has not spread to the lymph nodes; D means cancer has invaded the nodes. More Information on ABCD Staging System: Cancer Basics
Also Known As: "Active Bacterial Core Team, ABC Team"
A Centers for Disease Control and Prevention (CDC) project designed to track five specific pathogens with a goal of better understanding each disease, how it spreads and its overall social impact.
The part of the body between the chest and the hips. Many digestive organs are located in this region, including the stomach, large and small intestines, liver, gallbladder, pancreas, spleen and bladder. More Information on Abdomen: Digestive Health Basics
Also Known As: "Belly Pain, Gastralgia, Stomach Pain, Stomach Ache, Gastrointestinal Pain, Gastric Pain, Ventral Pain"
Pain that originates near the abdomen or spread to this region from other areas. The gastrointestinal tract is a common source of pain. More Information on Abdomen Pain: Abdominal Pain
The bulging or ballooning out of part of the wall of the abdominal aorta, which carries oxygen-rich blood from the heart to the body. While aortic aneurysm may be fatal, most cases are preventable with early detection. More Information on Abdominal Aortic Aneurysm: Aneurysm
Abdominal pain caused by numerous sources (often muscle contractions) that varies greatly in intensity. More Information on Abdominal Cramping: Abdominal Pain
"Abdominal Hysterectomy" is more commonly referred to as "Hysterectomy" in the medical community. Hysterectomy
Also Known As: "Vaginal Hysterectomy, Laparoscopic Hysterectomy, Open Hysterectomy"
Surgical removal of the uterus that may be performed through the abdomen, vagina or by laparoscopy. It is used in the treatment of cancers or uterine disorders. It may be performed alone of in combination with a oophorectomy (removal of the ovaries). More Information on Hysterectomy: Uterine & Ovarian Health
A type of migraine that involves periods of abdominal pain lasting for about two hours. It may be accompanied by nausea and vomiting. It is more common in children with a family history of migraine and who develop typical migraines later in life. More Information on Abdominal Migraine: Headache & Migraine
"Abdominal Myomectomy" is more commonly referred to as "Myomectomy" in the medical community. Myomectomy
Also Known As: "Laparoscopic Myomectomy, Hysteroscopic Myomectomy"
A procedure in which a surgeon remove a uterine fibroid while leaving the healthy areas of the uterus in place. Types include laparoscopic myomectomy, hysteroscopic myomectomy and abdominal myomectomy. More Information on Myomectomy: Uterine & Ovarian Health
Also Known As: "Belly Pain, Gastralgia, Stomach Pain, Stomach Ache, Gastrointestinal Pain, Abdomen Pain, Gastric Pain, Ventral Pain"
Pain that originates near the abdomen or spread to this region from other areas. The gastrointestinal tract is a common source of pain. More Information on Abdominal Pain: Abdominal Pain
"Abdominal Pregnancy" is more commonly referred to as "Ectopic Pregnancy" in the medical community. Ectopic Pregnancy
Also Known As: "Ovarian Pregnancy, Tubal Pregnancy, Cervical Pregnancy, Interstitial Pregnancy"
Pregnancy in which a fertilized egg develops outside the uterus, usually in the fallopian tubes (interstitial) but sometimes in the cervix, ovary or abdomen. The embryo must be removed to prevent rupture of internal organs. More Information on Ectopic Pregnancy: Pregnancy Basics
Surgery to remove the anus, the rectum, and part of the colon through an incision made in the abdomen. The end of the intestine is attached to an opening, and waste is collected in bag worn outside the body. More Information on Abdominoperineal Resection: Digestive Treatments
In medicine, a term to describe any motion of a part of the body away from the center of the body. Usually, the motion is also parallel to the center of the body. This action (abduction) is achieved through an abductor muscle.
Also Known As: "Dental Abfraction, Tooth Abfraction"
Wearing of a tooth caused by bending (flexure). Its existence is controversial and it may be difficult to distinguish from attrition - tooth surface loss caused by tooth to tooth contact. It may occur in only one tooth. More Information on Abfraction: Tooth Decay & Damage
Also Known As: "Tooth Abfraction Lesions, Dental Abfraction Lesions"
Lines, cracks or notches in teeth that occur as the result of use over time. They can occur in any tooth, but are more common in molars and premolars - making teeth more susceptible to decay. They are not painful and most do not require treatment. More Information on Abfraction Lesions: Tooth Decay & Damage
"ABG" is more commonly referred to as "Arterial Blood Gases" in the medical community. Arterial Blood Gases
Also Known As: "Blood Gas Analysis, Blood Gases"
A diagnostic test that measures the levels of certain gases in the blood traveling through the arteries. It is used to evaluate lung function, metabolism and the body's acid-base balance. More Information on Arterial Blood Gases: Blood Tests
Also Known As: "Cryoablation, Ablative Therapy, Thermal Ablation, Radiofrequency Ablation, Chemical Ablation"
Any procedure that removes or destroys a part of functioning tissue or organs. It can be accomplished through surgery, chemicals, radiofrequency, heat (thermal ablation) or cold (cryoablation). More Information on Ablation: Chemo & Radiation Therapy
Also Known As: "Cryoablation, Thermal Ablation, Radiofrequency Ablation, Chemical Ablation"
Any procedure that removes or destroys a part of functioning tissue or organs. It can be accomplished through surgery, chemicals, radiofrequency, heat (thermal ablation) or cold (cryoablation). More Information on Ablative Therapy: Chemo & Radiation Therapy
"Abnormal Sexual Behaviors" is more commonly referred to as "Paraphilias" in the medical community. Paraphilias
Also Known As: "Perverse Sexual Behaviors, Deviant Sexual Behaviors, Deviant Sexual Arousal"
Any of a variety of sexual behaviors that are generally regarded as distasteful, unusual or abnormal. These include fetishism, pedophilia, sexual masochism or sadism and voyeurism, among others. More Information on Paraphilias: Impulse Control Disorders
"Abnormal Uterine Bleeding" is more commonly referred to as "Dysfunctional Uterine Bleeding" in the medical community. Dysfunctional Uterine Bleeding
Also Known As: "Abnormal Vaginal Bleeding"
Irregular bleeding from the uterus. Types include menorrhagia (heavy menstrual bleeding), metrorrhagia (bleeding between menstrual periods), polymenorrhea (too frequent menstruation) and postmenopausal bleeding. More Information on Dysfunctional Uterine Bleeding: ObGyn Signs & Symptoms
"Abnormal Vaginal Bleeding" is more commonly referred to as "Dysfunctional Uterine Bleeding" in the medical community. Dysfunctional Uterine Bleeding
Also Known As: "Abnormal Uterine Bleeding"
Irregular bleeding from the uterus. Types include menorrhagia (heavy menstrual bleeding), metrorrhagia (bleeding between menstrual periods), polymenorrhea (too frequent menstruation) and postmenopausal bleeding. More Information on Dysfunctional Uterine Bleeding: ObGyn Signs & Symptoms
Termination of a zygote, embryo or fetus during pregnancy. Types include induced (therapeutic or elective) and spontaneous (miscarriage). More Information on Abortion: Pregnancy Basics
"Abortive Polio" is more commonly referred to as "Polio" in the medical community. Polio
Also Known As: "Asymptomatic Polio, Paralytic Polio, Poliomyelitis, Infantile Paralysis, Symptomatic Polio, Nonparalytic Polio, Spinal Polio"
A contagious viral infection that affects the nervous system and may cause paralysis. It is most common in children under the age of 3. Use of vaccines to prevent polio has virtually eliminated the disease in the Western Hemisphere. More Information on Polio: Infectious Disease Basics
"ABP" is more commonly referred to as "Ambulatory Blood Pressure Monitoring" in the medical community. Ambulatory Blood Pressure Monitoring
Also Known As: "Automatic BP System, Automatic Blood Pressure System, ABPM, 24 Hour Blood Pressure Test, Automatic BP Test, Ambulatory Blood Pressure, 24 Hour Automatic Blood Pressure Test"
A method of taking regular blood pressure (BP) readings of patients over 24 hours. A special monitor is used and patients keep an activity log. Most patients with BP disorders do not need ABPM and some physicians still consider it to be experimental. More Information on Ambulatory Blood Pressure Monitoring: Blood Pressure
"ABPM" is more commonly referred to as "Ambulatory Blood Pressure Monitoring" in the medical community. Ambulatory Blood Pressure Monitoring
Also Known As: "Automatic BP System, Automatic Blood Pressure System, 24 Hour Blood Pressure Test, Automatic BP Test, Ambulatory Blood Pressure, 24 Hour Automatic Blood Pressure Test, ABP"
A method of taking regular blood pressure (BP) readings of patients over 24 hours. A special monitor is used and patients keep an activity log. Most patients with BP disorders do not need ABPM and some physicians still consider it to be experimental. More Information on Ambulatory Blood Pressure Monitoring: Blood Pressure
Wearing of teeth that is caused by contact with foreign substances, such as holding objects between teeth or improper brushing. Also the dental technique used to remove tooth structure to fill a cavity. More Information on Abrasion: Tooth Decay & Damage
"Abrasions" is more commonly referred to as "Cuts & Other Common Wounds" in the medical community. Cuts & Other Common Wounds
Also Known As: "Punctures, Scratches, Scrapes, Lacerations"
The most common skin wounds include cuts (a break or opening in the skin), lacerations (a jagged and irregular tear), scratches (minor scrapes from sharp objects), abrasions (rubbing away of the skin) and punctures (piercing by pointed object). More Information on Cuts & Other Common Wounds: First Aid & Safety
The sudden blockage of a blood vessel. Abrupt vessel closure is a major complication associated with treatments that are done through cardiac catheterization (e.g., balloon angioplasty with coronary stenting). More Information on Abrupt closure: Catheter Tests & Procedures
The sudden blockage of a blood vessel. Abrupt vessel closure is a major complication associated with treatments that are done through cardiac catheterization (e.g., balloon angioplasty with coronary stenting). More Information on Abrupt Vessel Closure: Catheter Tests & Procedures
A localized and typically enclosed collection of pus and infected material. It often follows a bacterial infection or minor injury and can occur as a complication of certain types of inflammation. More Information on Abscess: Infectious Disease Basics
Also Known As: "Endodontic Abscess, Gum Abscess, Periodontal Abscess, Mouth Abscess, Tooth Abscess, Dental Abscess, Abscessed Teeth"
An area of pus that forms as the result of a bacterial infection. In the mouth, these may form in the gums, in teeth roots or after root canal treatment or in the gums. More Information on Abscessed Gums: Oral Infections
Also Known As: "Endodontic Abscess, Gum Abscess, Periodontal Abscess, Mouth Abscess, Tooth Abscess, Abscessed Gums, Dental Abscess"
An area of pus that forms as the result of a bacterial infection. In the mouth, these may form in the gums, in teeth roots or after root canal treatment or in the gums. More Information on Abscessed Teeth: Oral Infections
Also Known As: "Endodontic Abscess, Gum Abscess, Abscessed Teeth, Periodontal Abscess, Mouth Abscess, Tooth Abscess, Abscessed Gums, Dental Abscess"
An area of pus that forms as the result of a bacterial infection. In the mouth, these may form in the gums, in teeth roots or after root canal treatment or in the gums. More Information on Abscessed Teeth & Gums: Oral Infections
A rare disorder involving abnormal development of a thin membrane located along the middle of the brain. It is not life threatening alone, but often occurs with other cranial abnormalities. More Information on Absence of the Septum Pellucidum: Birth & Genetic Disorders
A type of generalized seizure that causes momentary laspses in awareness that last only a few seconds. People may stare or look "absent" during the seizure. There is no warning and these do not cause any after effects. More Information on Absence Seizures: Epilepsy & Seizure
"Absent Menses" is more commonly referred to as "Amenorrhea" in the medical community. Amenorrhea
Also Known As: "Dietary Amenorrhea, Primary Amenorrhea, Emotional Amenorrhea, Secondary Amenorrhea, Ovarian Amenorrhea, Absent Menstruation, Absent Periods"
Absence of menstruation. This may be normal, such as before puberty, during pregnancy and lactation and after menopause. Or, it may be caused by congenital abnormalities, anorexia, endocrine disorders, hormonal imbalances or metabolic conditions. More Information on Amenorrhea: ObGyn Signs & Symptoms
"Absent Menstruation" is more commonly referred to as "Amenorrhea" in the medical community. Amenorrhea
Also Known As: "Dietary Amenorrhea, Absent Periods, Primary Amenorrhea, Emotional Amenorrhea, Absent Menses, Secondary Amenorrhea, Ovarian Amenorrhea"
Absence of menstruation. This may be normal, such as before puberty, during pregnancy and lactation and after menopause. Or, it may be caused by congenital abnormalities, anorexia, endocrine disorders, hormonal imbalances or metabolic conditions. More Information on Amenorrhea: ObGyn Signs & Symptoms
"Absent Periods" is more commonly referred to as "Amenorrhea" in the medical community. Amenorrhea
Also Known As: "Dietary Amenorrhea, Primary Amenorrhea, Emotional Amenorrhea, Absent Menses, Secondary Amenorrhea, Ovarian Amenorrhea, Absent Menstruation"
Absence of menstruation. This may be normal, such as before puberty, during pregnancy and lactation and after menopause. Or, it may be caused by congenital abnormalities, anorexia, endocrine disorders, hormonal imbalances or metabolic conditions. More Information on Amenorrhea: ObGyn Signs & Symptoms
"Absorptiometry" is more commonly referred to as "Bone Density Test" in the medical community. Bone Density Test
Also Known As: "Bone Densitometry, Radiographic Absorptiometry, DEXA Scan, Dual Energy X Ray Absorptiometry Scan, Dual Photon Densitometry"
A method of estimating bone density by the amount of x-ray radiation absorbed by bones and tissues. It is used to diagnosis osteoporosis and related conditions. More Information on Bone Density Test: Bone Health
A biological process that usually occurs after digestion in the small intestine. Nutrients (vitamins, minerals, protein, carbohydrates and fat) are separated from ingested foods and distributed throughout the body.
Also Known As: "BAY 12 9566, AE 941, Carboxyamidotriazole, Batimastat"
A type of angiogenesis inhibitor, medications being researched for use in cancer therapy. These drugs block the development of new blood vessels that feed tumors, starving them of oxygen and nutrients. More Information on ABT 510: Cancer Drug & Medication
Abuse may be physical, mental or emotional and can include spousal abuse, child abuse and elder abuse. All forms of abuse may result in psychological damage. More Information on Abuse: Relationships
"Abuse of Children" is more commonly referred to as "Child Abuse & Neglect" in the medical community. Child Abuse & Neglect
Also Known As: "Child Abuse"
The damage done by child abuse is not just physical. Abused children may harbor long-lasting psychological "wounds" that often are not revealed until the child becomes an adolescent or adult. More Information on Child Abuse & Neglect: Relationships
A tooth, root or other structure used to support (or anchor) a dental prothesis, whether permanent or removable. More Information on Abutment: Bridges, Dentures & Implants
A dental crown that is used to support (or anchor) a dental prothesis, whether permanent or removable. More Information on Abutment Crown: Bridges, Dentures & Implants
A tooth or teeth that are used to support (or anchor) a dental prothesis, whether permanent or removable. More Information on Abutment Teeth: Bridges, Dentures & Implants
A tooth or teeth that are used to support (or anchor) a dental prothesis, whether permanent or removable. More Information on Abutment Tooth: Bridges, Dentures & Implants
A medication that belongs to the drug class of monoclonal antibodies and is being researched for use in cancer treatment. These drugs are designed to target specific substances called antigens. They locate and bind to cancer cells. More Information on ABX EGF: Cancer Drug & Medication
"ACAAI" is more commonly referred to as "American College of Allergy, Asthma and Immunology" in the medical community. American College of Allergy, Asthma and Immunology
Group of allergists, immunologists and related healthcare professionals working to improve patient care through research, education and sponsorship.
Problems of an academic or scholastic nature that are not accounted for by a learning disorder or other mental disorder or that are too severe to be justified only by the learning or mental disorder present. More Information on Academic Problem: Attention & Learning Disorders
A non-profit organization whose mission is to advance the value and excellence of general dentistry (prevention, diagnosis, treatment and coordination of dental care for patients of all ages).
Infection that occurs when one of several types of the acanthamoeba parasite enters the body through the nostrils, eyes or open wounds. Highly treatable in the eyes and skin, it can be fatal if infection reaches the central nervous system. More Information on Acanthamoeba Infection: Parasitic Disease
A disorder in which the skin develops velvety, light-brown-to-black markings usually on the neck, under the arms or in the groin. It is more common in overweight people and in those with higher than normal insulin levels. More Information on Acanthosis Nigricans: Skin Discoloration
A medication used to treat type 2 diabetes that works by slowing digestion. As food breaks down, blood sugar (glucose) is released. This medication helps prevent glucose levels from rising sharply after meals. More Information on Acarbose: Diabetes & Endocrine Drugs
"Acathisia" is more commonly referred to as "Akathisia" in the medical community. Akathisia
An inability to remain still due to psychological anxiety. Patients often complain of a feeling of inner restlessness, urgent needs to move and quivering muscles. It often manifests as a side effect of antipsychotic medications. More Information on Akathisia: Anxiety Disorders
"Accelerated Immunotherapy" is more commonly referred to as "Allergy Shots" in the medical community. Allergy Shots
Also Known As: "Enzyme Potentiated Desensitization, Low Dose Immunotherapy, Rush Immunotherapy, EPD, Desensitization"
Allergy shots used to increase a person's tolerance to an allergen, reducing the symptoms, but not actually curing the allergy. They may be recommended to people who suffer from allergies more than 3 months a year. More Information on Allergy Shots: Allergy & Asthma Drugs
A phase of myeloid leukemia that indicates the cancer is progressing. The number of abnormal cells in bone marrow and blood is higher than in the chronic phase, but not as high as the blast phase. More Information on Accelerated Phase: Leukemia & Bone Cancer
A stated amount of a particular substance and or chemical in food that is deemed safe if consumed daily over a lifetime. If the specified amount is not exceeded there should be no health risks for humans. More Information on Acceptable Daily Intake: Nutrition Basics
A recommended range of daily intakes for fat, carbohydrate, and protein based their role in chronic disease risk, as well as to ensure adequate intake of other essential nutrients. AMDR is expressed as a percent of daily calories.
Organs that assist digestion but are not part of the digestive tract, including the tongue, salivary glands, pancreas, liver and gallbladder. More Information on Accessory Digestive Organs: Digestive Health Basics
The adaptation of pre-existing thoughts and beliefs to become consistent with new perceptions. More Information on Accommodation: Emotional Health Basics
A brand of ACE inhibitors, medications that widen blood vessels and lower blood pressure by blocking the production of angiotensin II. ACE stands for angiotensin-converting enzyme. More Information on Accupril: Heart Drug & Medication
Also Known As: "Angiotensin-Converting Enzyme Inhibitors"
Medications that widen blood vessels and lower blood pressure by blocking the production of angiotensin II. ACE stands for angiotensin-converting enzyme. More Information on ACE Inhibitors: Blood Pressure
Medications that widen blood vessels and lower blood pressure by blocking the production of angiotensin II. They are being studied for the prevention of side effects from radiation therapy. ACE stands for angiotensin-converting enzyme. More Information on ACE Inhibitors & Cancer: Cancer Drug & Medication
Medications that widen blood vessels and lower blood pressure by blocking production of angiotensin II. They may also prevent kidney disease or slow disease progression in people with diabetes. ACE stands for angiotensin-converting enzyme. More Information on ACE Inhibitors & Diabetes: Diabetes & Endocrine Drugs
A type of artificial sweetener that is 200 times sweeter than sugar. It was approved by the Federal Drug Administration in 1988. It is not digested or absorbed by the body, making it calorie free. More Information on Ace K: Carbs & Sugars
A twin attached by the neck to an otherwise intact fetus. The acephalic fetus lacks a head and heart, and depends on the intact fetus' heart to circulate blood. More Information on Acephaly: Birth & Genetic Disorders
A type of artificial sweetener that is 200 times sweeter than sugar. It was approved by the Federal Drug Administration in 1988. It is not digested or absorbed by the body, making it calorie free. More Information on Acesulfame K: Carbs & Sugars
A type of artificial sweetener that is 200 times sweeter than sugar. It was approved by the Federal Drug Administration in 1988. It is not digested or absorbed by the body, making it calorie free. More Information on Acesulfame Potassium: Carbs & Sugars
A colorless, flammable liquid used in the manufacturing of drugs, perfume and acetic acid (a chemical found in soda bottles, photographic film, wood glue, fibers and fabric).
Over-the-counter nonaspirin medication used to relieve pain and reduce fever (but not inflammation). It belongs to the family of drugs called analgesics. More Information on Acetaminophen: Pain Medications
A type of sulfonylurea agent (antidiabetic) used to treat type 2 diabetes. It decreases blood glucose levels by increasing the amount of insulin produced in the pancreas and helping body cells to use insulin more efficiently. More Information on Acetohexamide: Diabetes & Endocrine Drugs
A chemical that forms in the blood when the body uses stored fat for energy rather that glucose (blood sugar). High acetone levels can lead to "fruity" smelling breath and may indicate that the body is not producing enough insulin. More Information on Acetone: Diabetes & Endocrine Basics
A substance produced from the breakdown of carbohydrates, proteins (amino acids) and fats (fatty acids) which will be used to make energy for the body.
A type of neurotransmitter that controls many muscles in the peripheral nervous system. It is believed to play an active role in memory, learning and movement. Many medications appear to affect levels of this substance in the body. More Information on Acetylcholine: Brain & Nerve Basics
The chemical term for aspirin, a nonsteroidal anti-inflammatory drug (NSAID), which is also an analgesic (pain reducer) and an antiplatelet (blood clot inhibitor). More Information on Acetylsalicylic Acid: Heart Drug & Medication
"ACG" is more commonly referred to as "Apexcardiography" in the medical community. Apexcardiography
A formerly common imaging test that is rarely used today due to the availability of superior tests. It shows the pumping action of the heart made by the "apex beat" (the movement of the left ventricle against the chest). More Information on Apexcardiography: Heart Imaging & Rhythm Tests
A type of neurotransmitter that controls many muscles in the peripheral nervous system. It is believed to play an active role in memory, learning and movement. Many medications appear to affect levels of this substance in the body. More Information on Ach: Brain & Nerve Basics
Inflammation of the large tendon at the back of the ankle connected to the muscles that form the calf (gastrocnemius and the soleus) area of the leg. It causes tenderness and swelling around the tendon and lower calf. More Information on Achilles Tendinitis: Arm & Leg Pain
A large tendon at the back of the ankle connected to the muscles that form the calf (gastrocnemius and the soleus) area of the leg. The tendon is prone to inflammation and tearing. More Information on Achilles Tendon: Arm & Leg Pain
Also Known As: "Achilles Tendon Rupture, Achilles Tendon Tear, Achilles Tendon Sprain, Achilles Tendon Strain"
Injury to the large tendon that runs from the heel to the calf. This may include inflammation, rupture (partial or complete break in the tendon) and xanthoma (yellowish-orange, lipid-filled skin nodule). More Information on Achilles Tendon Injury: Arm & Leg Pain
Also Known As: "Achilles Tendon Tear, Achilles Tendon Sprain, Achilles Tendon Strain"
Injury to the large tendon that runs from the heel to the calf. This may include inflammation, rupture (partial or complete break in the tendon) and xanthoma (yellowish-orange, lipid-filled skin nodule). More Information on Achilles Tendon Rupture: Arm & Leg Pain
Also Known As: "Achilles Tendon Strain, Achilles Tendon Rupture, Achilles Tendon Tear"
Injury to the large tendon that runs from the heel to the calf. This may include inflammation, rupture (partial or complete break in the tendon) and xanthoma (yellowish-orange, lipid-filled skin nodule). More Information on Achilles Tendon Sprain: Arm & Leg Pain
Also Known As: "Achilles Tendon Rupture, Achilles Tendon Tear, Achilles Tendon Sprain"
Injury to the large tendon that runs from the heel to the calf. This may include inflammation, rupture (partial or complete break in the tendon) and xanthoma (yellowish-orange, lipid-filled skin nodule). More Information on Achilles Tendon Strain: Arm & Leg Pain
Also Known As: "Achilles Tendon Sprain, Achilles Tendon Strain, Achilles Tendon Rupture"
Injury to the large tendon that runs from the heel to the calf. This may include inflammation, rupture (partial or complete break in the tendon) and xanthoma (yellowish-orange, lipid-filled skin nodule). More Information on Achilles Tendon Tear: Arm & Leg Pain
"Acid Ceramidase Deficiency" is more commonly referred to as "Farber Disease" in the medical community. Farber Disease
Also Known As: "Ceramidase Deficiency, Farber Lipogranulomatosis, N Laurylsphingosine Deacylase Deficiency"
A rare, inherited disease of the metabolism that commonly results in joint pain and inflammation. More Information on Farber Disease: Fibromyalgia & Pain Disorders
"Acid Perfusion Test" is more commonly referred to as "Bernstein Test" in the medical community. Bernstein Test
A test used to determine if heartburn is caused by acid in the esophagus. It involves swallowing a mild acid solution, similar to stomach acid, or dripping the solution through a tube placed in the esophagus. More Information on Bernstein Test: Digestive Lab Tests
"Acid Saccharin" is more commonly referred to as "Saccharin" in the medical community. Saccharin
Also Known As: "Sodium Saccharin, Calcium Saccharin"
An artificial sweetener that is between 300 to 700 times sweeter than sucrose. Because it is not digested or absorbed, saccharin does not contribute calories to a person's diet. More Information on Saccharin: Carbs & Sugars
Also Known As: "Starvation Acidosis, Diabetic Acidosis, Respiratory Acidosis, Metabolic Acidosis, Carbon Dioxide Acidosis"
Higher than normal levels of acid in the body. It can be caused by uncontrolled diabetes or kidney disease as well as other factors (e.g., prolonged diarrhea). It may lead to ketoacidosis in people with diabetes, requiring emergency treatment. More Information on Acidosis: Glucose
A type of retinoid medication, substances that are chemically related to vitamin A. Studies have indicated they may lower the chance of recurrence following chemotherapy. More Information on Acitretin: Cancer Drug & Medication
"ACL" is more commonly referred to as "Anterior Cruciate Ligament" in the medical community. Anterior Cruciate Ligament
A stabilizing ligament within the center of the knee joint that prevents hyperextension and excessive rotation of the joint. The ligament is commonly injured and treated with surgery and rehabilitative exercises. More Information on Anterior Cruciate Ligament: Arm & Leg Pain
"ACMMSCO" is more commonly referred to as "American College of Mohs Micrographic Surgery and Cutaneous Oncology" in the medical community. American College of Mohs Micrographic Surgery and Cutaneous Oncology
Also Known As: "Mohs College"
Organization dedicated to promoting a type of advanced treatment for skin cancer developed by Dr. Frederic Mohs in the 1930s which involves removing diseased tissue and examining it under a microscope.
A common skin condition that afflicts most people during their teen years but can also affect adults. It occurs when tiny holes on the surface of the skin (pores) become clogged, causing bumps such as whiteheads, blackheads, pimples and cysts. More Information on Acne: Acne & Blemish
A rare type of acne marked by inflamed, tender, crusting lesions on the upper trunk and face. It occurs suddenly and typically affects adolescent males. It is often accompanied by fever and may involve joint inflammation. More Information on Acne Fulminans: Acne & Blemish
"Acne Inversa" is more commonly referred to as "Hidradenitis Suppurativa" in the medical community. Hidradenitis Suppurativa
Also Known As: "Hidradenitis Axillaris"
Chronic disease marked by clogging of the apocrine glands, sweat glands found on certain parts of the body. It causes chronic scarring and pus formation of the underarms, groin/inner thigh areas and under the breasts. More Information on Hidradenitis Suppurativa: Perspiration & Chafing
Occurs when hairs on the back of the head and neck grow into the skin, become inflamed and cause scar tissue. More Information on Acne Keloidalis: Acne & Blemish
Occurs when hairs on the back of the head and neck grow into the skin, become inflamed and cause scar tissue. More Information on Acne Keloidalis Nuchae: Acne & Blemish
Mild acne is treated with creams and solutions, while moderate and severe acne is usually treated by a combination of topical medicines and antibiotic pills, or prescription drugs. More Information on Acne Medications: Acne & Blemish
"Acne Rosacea" is more commonly referred to as "Rosacea" in the medical community. Rosacea
Also Known As: "Adult Acne"
A skin disorder leading to redness and pimples on the nose, forehead, cheekbones and chin. It often looks like acne, but blackheads are almost never present. Most often affects women with fair skin, ages 30 to 50. More Information on Rosacea: Acne & Blemish
Surgical procedures used to treat acne, including manually removing comedones, injecting corticosteroids to improve appearance and relieve tenderness and laser therapy, chemical peels and dermabrasion to treat acne scarring. More Information on Acne Surgery: Acne & Blemish
Acne with pustules occurring mostly on the temples and front of the scalp and lesser occurrence on the chest, back or nose. More Information on Acne Varioliformis: Acne & Blemish
A genetic condition in which tumors grow on the nerves of the inner ear, interfering with hearing and balance. More Information on Acoustic Neurofibromatosis: Brain & Nerve Cancer
A tumor that grows on one of two branches of the eighth cranial nerve - the acoustic (hearing) or vestibular (balance) branch. It is usually benign, but can cause, hearing loss, dizziness, tinnitus, facial palsy or other problems. More Information on Acoustic Neuroma: Brain & Nerve Basics
"ACPA" is more commonly referred to as "American Chronic Pain Association" in the medical community. American Chronic Pain Association
National organization dedicated to facilitating peer support and education for individuals with chronic pain and their families and raise awareness about issues of living with chronic pain.
"Acquired Aortic Stenosis" is more commonly referred to as "Aortic Stenosis" in the medical community. Aortic Stenosis
Also Known As: "Congenital Aortic Stenosis, Aortic Sclerosis, Aortic Valve Disease, Aortostenosis"
A narrowing of the aortic valve, located between the left ventricle and the aorta. As a result, there is reduced blood flow from the heart to the aorta. More Information on Aortic Stenosis: Heart Valve
"Acquired Creutzfeldt Jakob Disease" is more commonly referred to as "Creutzfeldt Jakob Disease" in the medical community. Creutzfeldt Jakob Disease
Also Known As: "Hereditary Creutzfeldt Jakob Disease, CJD, Sporadic Creutzfeldt Jakob Disease"
A rare but fatal brain disorder involving mental deterioration. It is a transmissible spongiform encephalopathy (TSE) and can be sporadic, hereditary, acquired or variant (associated with mad cow disease). More Information on Creutzfeldt Jakob Disease: Encephalopathy
"Acquired Epileptiform Aphasia" is more commonly referred to as "Landau Kleffner Syndrome" in the medical community. Landau Kleffner Syndrome
A childhood neurological disorder that affects parts of the brain that control comprehension and speech. Children often initially develop normally, but then lose their language skills for no apparent reason. Prognosis varies. More Information on Landau Kleffner Syndrome: Pediatric Brain & Nerve
"Acquired Immune Deficiency Syndrome" is more commonly referred to as "AIDS" in the medical community. AIDS
Also Known As: "Acquired Immunodeficiency Syndrome"
An infectious disease caused by the human immunodeficiency virus (HIV) that attacks the immune system and reduces or eliminates its ability to fight infections. More Information on AIDS: STD & Genital Infections
"Acquired Immune Deficiency Syndrome Pain" is more commonly referred to as "AIDS Pain" in the medical community. AIDS Pain
AIDS-related pain is often under-treated for a number of reasons. Associated illnesses are often responsible for pain (e.g., nerve damage, pneumonia). More Information on AIDS Pain: Infection & Trauma Pain
"Acquired Immunodeficiency Syndrome" is more commonly referred to as "AIDS" in the medical community. AIDS
Also Known As: "Acquired Immune Deficiency Syndrome"
An infectious disease caused by the human immunodeficiency virus (HIV) that attacks the immune system and reduces or eliminates its ability to fight infections. More Information on AIDS: STD & Genital Infections
Moles that are not present at birth but appear later in childhood or adulthood. They are usually brown in color and less than 1/4 inches (0.64 centimeters). Sun damage is believed to be responsible for these moles. More Information on Acquired Moles: Skin Growths
"Acquired Myopathy" is more commonly referred to as "Myopathy" in the medical community. Myopathy
Also Known As: "Inheritable Myopathy"
Diseases that affect skeletal muscles (muscles that attach to bone). They may be inherited (e.g., muscular dystrophy) or caused by problems with the endocrine or metabolic systems. There are many types. Most cause muscle weakness and deterioration. More Information on Myopathy: Myopathy
Moles that are not present at birth but appear later in childhood or adulthood. They are usually brown in color and less than 1/4 inches (0.64 centimeters). Sun damage is believed to be responsible for these moles. More Information on Acquired Nevi: Skin Growths
Moles that are not present at birth but appear later in childhood or adulthood. They are usually brown in color and less than 1/4 inches (0.64 centimeters). Sun damage is believed to be responsible for these moles. More Information on Acquired Nevus: Skin Growths
"Acrochordon" is more commonly referred to as "Skin Tag" in the medical community. Skin Tag
Small, fleshy skin flaps that form on the neck, armpits, groin and other areas where the skin folds or creases. They often are attached by a stalk of flesh (peduncle). More Information on Skin Tag: Skin Growths
A bluish tint to the skin of the hands or feet. It may be accompanied by profuse sweating and coldness in the fingers or toes. It has many causes (e.g., restricted blood flow or low oxygen levels) and may result from congenital heart defects. More Information on Acrocyanosis: Heart Signs & Symptoms
Also Known As: "Marie disease, Somatotroph Adenoma, Gigantism"
Rare disorder in which an overproduction of growth hormone by the pituitary gland leads to overgrown hands, feet and/or facial features. More Information on Acromegaly: Diabetes & Endocrine Risks
"Acrylic Resin" is more commonly referred to as "Resin" in the medical community. Resin
Materials used in dentistry to bond, restore or replace tooth structures. It may be made from several materials (composite), including acrylic. More Information on Resin: Dental Restorations
A substance used in the production of rubber, plastic and textiles. Being exposed to it (such as in an occupational setting) may increase the risk of certain cancers, including prostate, lung or brain cancer. More Information on Acrylonitrile: Cancer Risk Factors
"ACS" is more commonly referred to as "American Cancer Society" in the medical community. American Cancer Society
A national, volunteer, community organization dedicated to eliminating cancer as a major health problem. Its roles include advocacy, research, education and service with goals of prevention, saving lives and diminishing the suffering of cancer patients.
"ACT" is more commonly referred to as "Assertive Community Treatment" in the medical community. Assertive Community Treatment
Treatment for patients with mental illness by a comprehensive, dedicated team in the comfort of the patients' own homes or communities. More Information on Assertive Community Treatment: Therapy & Support
Also Known As: "AKs, Solar Keratosis, Senile Keratosis"
Small, rough spots on skin that has been chronically exposed to the sun. They are commonly found on the face, scalp, back of the neck, upper chest, forearm and back of the hand. They often involve scaly or crusty bumps and may become cancerous. More Information on Actinic Keratosis: Skin Growths
An inherited form of polymorphic light eruption (small red blisters and/or pimples that appear on the skin within days of sunlight exposure). It is most common in those of North, South or Central American Indian descent. More Information on Actinic Prurigo: Outdoor Allergies
"Actinic Purpura" is more commonly referred to as "Bruising Hands & Arms" in the medical community. Bruising Hands & Arms
Also Known As: "Bateman Purpura"
Bruising that easily occurs on the hands and arms of some individuals and often begins as red marks that turn purple and even darker before fading. Often seen in older individuals More Information on Bruising Hands & Arms: Skin Signs & Symptoms
Also Known As: "Postural Tremors, Intention Tremors, Isometric Tremors, Kinetic Tremors"
A type of tremor (involuntary movement) that occurs or increases when the body part (usually the hand) is moving voluntarily. Types include postural, isometric, kinetic and intention tremors. More Information on Action Tremors: Movement Disorders
A protein made in the body to dissolve or break up blood clots. It is also a type of clot-busting drug. While primarily used in the treatment of cardiovascular disease and stroke, researchers are studying their use in cancer treatments. More Information on Activase: Blood Clot
An over-the-counter mineral preparation used to help relieve intestinal gas and treat many types of poisoning. More Information on Activated Carbon: Digestive Medications
An over-the-counter mineral preparation used to help relieve intestinal gas and treat many types of poisoning. More Information on Activated Charcoal: Digestive Medications
"Activated Water" is more commonly referred to as "Structured Water" in the medical community. Structured Water
Also Known As: "Clustered Water, Oxygenated Water, Hexagonal Water, Pentagonal Water, Alkanized Water, Hydrogenated Water, Super Ionized Water"
Waters which supposedly have nutritional or spiritual value based on the physical structure of the water's atoms. These claims are widely rejected by the scientific community. More Information on Structured Water: Water & Hydration
Also Known As: "ABC Team, ABCS, Active Bacterial Core Team"
A Centers for Disease Control and Prevention (CDC) project designed to track five specific pathogens with a goal of better understanding each disease, how it spreads and its overall social impact.
A Centers for Disease Control and Prevention (CDC) project designed to track five specific pathogens with a goal of better understanding each disease, how it spreads and its overall social impact.
"Active Scopophilia" is more commonly referred to as "Voyeurism" in the medical community. Voyeurism
Also Known As: "Sexual Voyeurism"
A type of paraphilia in which a person derives sexual pleasure from seeing the naked bodies of others or from witnessing others' sexual behavior. It often involves peeping on others from a secret vantage point. More Information on Voyeurism: Impulse Control Disorders
The movement of a chemical substance into a cell in opposition to the normal pathway. This occurs through osmosis and requires more energy from the body.
Basic activities that are performed as part of everyday life. They include bathing, dressing, grooming, eating, going to the bathroom and transferring (e.g., moving from a chair to a bed). They are used to measure level of impairment.
Also Known As: "Reflexology, Shiatsu, Zone Therapy, Tuina"
A traditional Chinese procedure similar to acupuncture that uses pressure instead of needles. Pressure is applied to specific points in the body with the hand, elbow or with devices. More Information on Acupressure: Alternative Medicine Center
A traditional Chinese procedure similar to acupuncture that uses pressure instead of needles. Pressure is applied to specific points in the body to control pain. The goal is to improve energy flow in the body. More Information on Acupressure & Pain Management: Pain Management
A traditional Chinese procedure in which fine needles are inserted into specific points in the body to control pain, based on the theory that puncturing prevents painful signals from traveling up the spinal cord. More Information on Acupuncture: Alternative Medicine Center
A traditional Chinese procedure in which fine needles are inserted into specific points in the body to control pain. More Information on Acupuncture & Pain Management: Pain Management
A traditional Chinese procedure in which fine needles are inserted into specific points in the body to control pain. More Information on Acupuncture Pain Management: Pain Management
Any symptom or condition that is sharp, severe, or begins quickly and usually does not last long. It is the opposite of chronic, which progresses slowly or lasts for a long period of time.
"Acute Amebiasis" is more commonly referred to as "Amebiasis" in the medical community. Amebiasis
Also Known As: "Ameboid Dysentery, Entamoeba Histolytica Infection, Chronic Amebiasis"
A type of dysentery caused by a parasitic infection of an amoeba, a primitive single-cell organism. Symptoms include bloody diarrhea or loose stool. It may be chronic (long term) or acute (short term or severe). More Information on Amebiasis: Gastroenteritis & Food Illness
"Acute Aortic Dissection" is more commonly referred to as "Aortic Dissection" in the medical community. Aortic Dissection
Also Known As: "Type A Aortic Dissection, Dissecting Aortic Aneurism, Descending Aortic Dissection, Ascending Aortic Dissection, Type B Aortic Dissection, Torn Aorta"
A tear in the inner lining of the aorta that allows blood to leak into the space between the inner and outer layers. This could be fatal. The aorta may also widen or balloon, creating a dissecting aortic aneurysm. More Information on Aortic Dissection: Aneurysm
"Acute Aortic Regurgitation" is more commonly referred to as "Aortic Regurgitation" in the medical community. Aortic Regurgitation
Also Known As: "Aortic Valve Incompetence, Aortic Insufficiency, Aortic Valve Insufficiency, Aortic Incompetence, Aortic Valve Regurgitation, Chronic Aortic Regurgitation"
A condition in which the aortic valve (located between the left ventricle and the aorta) does not close tightly. This allows blood to leak back into the left ventricle instead of out the aorta and to the rest of the body. More Information on Aortic Regurgitation: Heart Valve
"Acute Appendicitis" is more commonly referred to as "Appendicitis" in the medical community. Appendicitis
Also Known As: "Chronic Appendicitis"
Inflammation of the appendix, a small finger-shaped tube that branches off the first part of the large intestine. It causes pain in the lower-right abdomen and is among the most common causes of emergency abdominal surgery. More Information on Appendicitis: Abdominal Pain
"Acute Bronchitis" is more commonly referred to as "Bronchitis" in the medical community. Bronchitis
Also Known As: "Chronic Bronchitis"
Inflammation of the lung's airways (bronchial tubes), causing a persistent cough that produces large amounts of phlegm. It can be acute (intense but short-term) or chronic (persistent or recurring). Causes include allergies, infection or irritation. More Information on Bronchitis: Pneumonia & Lung Infection
"Acute Chorea" is more commonly referred to as "Chorea" in the medical community. Chorea
Also Known As: "Chorea Gravidarum, Electric Chorea, Epidemic Chorea, Chronic Chorea"
A rheumatic inflammation of the central nervous system that can bring rapid involuntary movements such as twitching of the limbs or facial muscles. It can be caused by a number of conditions, including rheumatic heart disease. More Information on Chorea: Heart Signs & Symptoms
"Acute Constipation" is more commonly referred to as "Constipation" in the medical community. Constipation
Also Known As: "Chronic Constipation"
Difficulty passing waste from the body, resulting in not enough bowel movements. Contents of the bowel become hard and dry. Bowel movements may be painful. More Information on Constipation: IBS & Bowel Function
A term used to describe the symptoms of suspected, but not yet confirmed, heart attack or unstable angina. More Information on Acute Coronary Syndrome: Cholesterol
"Acute Diarrhea" is more commonly referred to as "Diarrhea" in the medical community. Diarrhea
Also Known As: "Chronic Diarrhea"
Frequent, loose, watery and often uncontrolled bowel movements. Common causes include gastrointestinal infections, irritable bowel syndrome, medications and malabsorption syndromes. It can be acute (short-term or severe) or chronic (long-term). More Information on Diarrhea: IBS & Bowel Function
Also Known As: "Postinfectious Encephalomyelitis, ADEM, Immune Mediated Encephalomyelitis"
A condition in which the brain and spinal cord become suddenly inflamed, causing damage. It usually occurs after a viral infection, but can also occur after certain immunizations. More Information on Acute Disseminated Encephalomyelitis: Brain Related Infections
"Acute Endocarditis" is more commonly referred to as "Endocarditis" in the medical community. Endocarditis
Also Known As: "Rheumatic Endocarditis, Bacterial Endocarditis, Valvular Endocarditis, Infective Endocarditis, Mural Endocarditis"
An inflammation (most often from an infection) in vulnerable areas of the endocardium -- the innermost layer of the heart's chambers and valves. It most commonly affects individuals with existing valvular heart diseases or defects. More Information on Endocarditis: Heart Injuries & Infections
"Acute Eosinophilic Leukemia" is more commonly referred to as "Eosinophilic Leukemia" in the medical community. Eosinophilic Leukemia
Also Known As: "Chronic Eosinophilic Leukemia, CEL"
A type of myeloproliferative disorder in which too eosinophils (a type of white blood cell) are found in the blood, bone marrow or other tissue. It is usually chronic, but can become acute. More Information on Eosinophilic Leukemia: Leukemia & Bone Cancer
A short-term condition in which erosions form in the lining of the stomach. Possible causes include certain medications, alcohol, infections, stress and direct injury. More Information on Acute Erosive Gastritis: Gastritis & Ulcer
"Acute Fulminant Cardiovascular Beriberi" is more commonly referred to as "Wet Beriberi" in the medical community. Wet Beriberi
Also Known As: "Shoshin Beriberi"
A form of chronic thiamine (vitamin B1) deficiency characterized by damage to the circulatory system. Shoshin beriberi or acute fulminant cardiovascular beriberi is a rapidly progressing form of this disease. More Information on Wet Beriberi: Vitamins
An attack or episode of gout, a disease caused by a buildup of uric acid deposits in the joints, causing painful arthritis, especially in the joints of the feet and legs. More Information on Acute Gouty Arthritis: Arthritis
Also Known As: "Acute Myelogenous Leukemia, Acute Myelocytic Leukemia, AML, Acute Nonlymphocytic Leukemia, Acute Myeloblastic Leukemia, AML Leukemia, Acute Nonlymphoblastic Leukemia"
The more common form of acute leukemia in adults. It involves the replacement of normal bone marrow with cancerous cells and the circulation of immature cells in the blood. Remission is possible. Treatments may include a bone marrow transplant. More Information on Acute Granulocytic Leukemia: Leukemia & Bone Cancer
"Acute Heart Attack" is more commonly referred to as "Heart Attack" in the medical community. Heart Attack
Also Known As: "MI, Myocardial Infarction, A Coronary, Acute Myocardial Infarction, Acute MI"
Scarring, or death, of heart muscle due to lack of oxygen. Oxygen-rich blood is blocked by a blood clot in a coronary artery, usually due to plaque-related narrowing of the artery. More Information on Heart Attack: Cholesterol
"Acute Idiopathic Polyneuritis" is more commonly referred to as "Guillain Barre Syndrome" in the medical community. Guillain Barre Syndrome
Also Known As: "GBS, Infectious Polyneuritis, Landry's Ascending Paralysis, Acute Inflammatory Polyneuropathy"
A disorder where nerve damage inhibits muscle movement and may cause temporary paralysis. Symptoms include tingling sensations, followed by weakness that moves up from the lower body. It is believed to be an autoimmune disorder. More Information on Guillain Barre Syndrome: Neuropathy
"Acute Inflammation" is more commonly referred to as "Inflammation" in the medical community. Inflammation
Also Known As: "Granulomatous Inflammation, Proliferative Inflammation, Hyperplastic Inflammation, Pseudomembranous Inflammation, Chronic Inflammation, Interstitial Inflammation, Purulent Inflammation"
A reaction that occurs in the body in response to injury or disease that includes redness, swelling, pain and heat. Many health problems cause inflammation to occur in one area or throughout the body. More Information on Inflammation: Pain Basics
"Acute Inflammatory Polyneuropathy" is more commonly referred to as "Guillain Barre Syndrome" in the medical community. Guillain Barre Syndrome
Also Known As: "GBS, Infectious Polyneuritis, Landry's Ascending Paralysis, Acute Idiopathic Polyneuritis"
A disorder where nerve damage inhibits muscle movement and may cause temporary paralysis. Symptoms include tingling sensations, followed by weakness that moves up from the lower body. It is believed to be an autoimmune disorder. More Information on Guillain Barre Syndrome: Neuropathy
"Acute Leukemias" is more commonly referred to as "Leukemias" in the medical community. Leukemias
Also Known As: "Chronic Leukemias"
Cancers affecting the blood or organs that form blood. Clones of immature blood cells form and multiply at the expense of normal blood cells, resulting in anemia, infection and bleeding. It can be chronic or acute and is fatal if untreated. More Information on Leukemias: Leukemia & Bone Cancer
"Acute Lung Injury" is more commonly referred to as "Postpump Syndrome" in the medical community. Postpump Syndrome
Also Known As: "Systemic Inflammatory Response Syndrome, Adult Respiratory Distress Syndrome, ARDS, Pump Syndrome"
A potentially fatal condition that occurs in only 1 to 2 percent of people who have had bypass surgery. Researchers continue to investigate its causes and treatments. More Information on Postpump Syndrome: Bypass Surgery
A form of acute leukemia that involves immature lymphoid cells multiplying in the bone marrow, blood and body tissues. While more common in children, it also affects adults and remission is less likely in adults. More Information on Acute Lymphoblastic Leukemia: Leukemia & Bone Cancer
Also Known As: "Pediatric Acute Lymphocytic Leukemia, ALL in Children, Juvenile Acute Lymphocytic Leukemia, Pediatric ALL, ALL Leukemia in Children, Juvenile ALL"
A form of acute leukemia more commonly diagnosed in children that involves immature lymphoid cells multiplying in the bone marrow, blood and body tissues. It is highly curable in children with treatments involving chemotherapy. More Information on Acute Lymphoblastic Leukemia in Children: Pediatric Cancer
Also Known As: "ALL, ALL Leukemia, Acute Lymphoblastic Leukemia"
A form of acute leukemia that involves immature lymphoid cells multiplying in the bone marrow, blood and body tissues. While more common in children, it also affects adults and remission is less likely in adults. More Information on Acute Lymphocytic Leukemia: Leukemia & Bone Cancer
Also Known As: "Acute Lymphoblastic Leukemia in Children, Pediatric Acute Lymphocytic Leukemia, ALL in Children, Juvenile Acute Lymphocytic Leukemia, Pediatric ALL, ALL Leukemia in Children, Juvenile ALL"
A form of acute leukemia more commonly diagnosed in children that involves immature lymphoid cells multiplying in the bone marrow, blood and body tissues. It is highly curable in children with treatments involving chemotherapy. More Information on Acute Lymphocytic Leukemia in Children: Pediatric Cancer
"Acute Lymphoproliferative Disorders" is more commonly referred to as "Lymphoproliferative Disorders" in the medical community. Lymphoproliferative Disorders
Also Known As: "CLPD, LPD, Chronic Lymphoproliferative Disorders, ALPD"
Conditions in which the body lymphatic cells grow, are overproduced or act abnormally. It can be chronic or acute. While not a form of cancer, these disorders are often treated the same as cancers of the lymphatic system. More Information on Lymphoproliferative Disorders: Lymphoma (Hodgkin's & Non)
"Acute MI" is more commonly referred to as "Heart Attack" in the medical community. Heart Attack
Also Known As: "MI, Myocardial Infarction, Acute Heart Attack, A Coronary, Acute Myocardial Infarction"
Scarring, or death, of heart muscle due to lack of oxygen. Oxygen-rich blood is blocked by a blood clot in a coronary artery, usually due to plaque-related narrowing of the artery. More Information on Heart Attack: Cholesterol
Also Known As: "AML, AML Leukemia, Acute Nonlymphoblastic Leukemia, Acute Granulocytic Leukemia, Acute Myelogenous Leukemia, Acute Myelocytic Leukemia, Acute Nonlymphocytic Leukemia"
The more common form of acute leukemia in adults. It involves the replacement of normal bone marrow with cancerous cells and the circulation of immature cells in the blood. Remission is possible. Treatments may include a bone marrow transplant. More Information on Acute Myeloblastic Leukemia: Leukemia & Bone Cancer
Also Known As: "AML, Acute Nonlymphocytic Leukemia, Acute Myeloblastic Leukemia, AML Leukemia, Acute Nonlymphoblastic Leukemia, Acute Granulocytic Leukemia, Acute Myelogenous Leukemia"
The more common form of acute leukemia in adults. It involves the replacement of normal bone marrow with cancerous cells and the circulation of immature cells in the blood. Remission is possible. Treatments may include a bone marrow transplant. More Information on Acute Myelocytic Leukemia: Leukemia & Bone Cancer
Also Known As: "Acute Myelocytic Leukemia, AML, Acute Nonlymphocytic Leukemia, Acute Myeloblastic Leukemia, AML Leukemia, Acute Nonlymphoblastic Leukemia, Acute Granulocytic Leukemia"
The more common form of acute leukemia in adults. It involves the replacement of normal bone marrow with cancerous cells and the circulation of immature cells in the blood. Remission is possible. Treatments may include a bone marrow transplant. More Information on Acute Myelogenous Leukemia: Leukemia & Bone Cancer
Also Known As: "Acute Nonlymphoblastic Leukemia, Acute Granulocytic Leukemia, Acute Myelogenous Leukemia, Acute Myelocytic Leukemia, AML, Acute Nonlymphocytic Leukemia, Acute Myeloblastic Leukemia, AML Leukemia"
The more common form of acute leukemia in adults. It involves the replacement of normal bone marrow with cancerous cells and the circulation of immature cells in the blood. Remission is possible. Treatments may include a bone marrow transplant. More Information on Acute Myeloid Leukemia: Leukemia & Bone Cancer
"Acute Myelomonocytic Leukemia" is more commonly referred to as "Myelomonocytic Leukemia" in the medical community. Myelomonocytic Leukemia
Also Known As: "Chronic Myelomonocytic Leukemia"
A type of myeloproliferative disorder in which too myelomonocytes (a type of white blood cell) are being produced in the bone marrow. This crowds out other blood cells. It is usually chronic, but can become acute. More Information on Myelomonocytic Leukemia: Leukemia & Bone Cancer
"Acute Myocardial Infarction" is more commonly referred to as "Heart Attack" in the medical community. Heart Attack
Also Known As: "MI, Myocardial Infarction, Acute MI, Acute Heart Attack, A Coronary"
Scarring, or death, of heart muscle due to lack of oxygen. Oxygen-rich blood is blocked by a blood clot in a coronary artery, usually due to plaque-related narrowing of the artery. More Information on Heart Attack: Cholesterol
"Acute Myocarditis" is more commonly referred to as "Myocarditis" in the medical community. Myocarditis
Also Known As: "Fulminant Myocarditis"
A rare and potentially life-threatening inflammation of the cardiac muscle that could cause heart failure. Myocarditis can be cause by a viral infection. More Information on Myocarditis: Heart Injuries & Infections
Also Known As: "Vincent's Infection, Trench Mouth"
A painful gum infection that can cause fever or fatigue. It involves an overgrowth of mouth bacteria that may be triggered by poor oral hygiene, extreme stress and lack of sleep. It may progress to acute necrotizing ulcerative periodontitis (ANUP). More Information on Acute Necrotizing Ulcerative Gingivitis: Oral Infections
A severe form of periodontitis that affects those who are immunocompromised (HIV/AIDS) or extremely malnourished. There is intense jaw pain and death of massive amounts of bone and gum tissue. More Information on Acute Necrotizing Ulcerative Periodontitis: Oral Infections
"Acute Neutrophilic Leukemia" is more commonly referred to as "Neutrophilic Leukemia" in the medical community. Neutrophilic Leukemia
Also Known As: "Chronic Neutrophilic Leukemia, CNL"
A type of myeloproliferative disorder in which too neutrophils (a type of white blood cell) are found in the blood, leading to spleen enlargement and anemia. It is usually chronic, but can become acute. More Information on Neutrophilic Leukemia: Leukemia & Bone Cancer
"Acute Nonbacterial Infectious Gastroenteritis" is more commonly referred to as "Rotavirus" in the medical community. Rotavirus
Also Known As: "Infantile Diarrhea, Winter Diarrhea, Acute Viral Gastroenteritis, Winter Virus"
A virus that causes diarrhea, especially in young children. This is the leading cause of diarrhea in American children under the age of 2 years and also causes vomiting. More Information on Rotavirus: Pediatric Digestive
Also Known As: "Acute Granulocytic Leukemia, Acute Myelogenous Leukemia, Acute Myelocytic Leukemia, AML, Acute Nonlymphocytic Leukemia, Acute Myeloblastic Leukemia, AML Leukemia"
The more common form of acute leukemia in adults. It involves the replacement of normal bone marrow with cancerous cells and the circulation of immature cells in the blood. Remission is possible. Treatments may include a bone marrow transplant. More Information on Acute Nonlymphoblastic Leukemia: Leukemia & Bone Cancer
Also Known As: "AML, Acute Myeloblastic Leukemia, AML Leukemia, Acute Nonlymphoblastic Leukemia, Acute Granulocytic Leukemia, Acute Myelogenous Leukemia, Acute Myelocytic Leukemia"
The more common form of acute leukemia in adults. It involves the replacement of normal bone marrow with cancerous cells and the circulation of immature cells in the blood. Remission is possible. Treatments may include a bone marrow transplant. More Information on Acute Nonlymphocytic Leukemia: Leukemia & Bone Cancer
"Acute Osteomyelitis" is more commonly referred to as "Osteomyelitis" in the medical community. Osteomyelitis
Also Known As: "Chronic Osteomyelitis"
A rare bone infection caused by bacteria or fungi. It can be short term (acute) or persist on and off for years (chronic). Diabetes increases the risk of this condition, as does hemodialysis and drug abuse. More Information on Osteomyelitis: Bone Health
Inflammation of the middle ear (otitis media) with infection. Pus develops inside the inner ear, sometimes causing the eardrum to become red and bulge. More Information on Acute Otitis Media: Ear Conditions
Includes pharmacological, nonpharmacological, and other approaches to prevent, reduce, or stop pain sensations caused by tissue damage (e.g., trauma, surgery). More Information on Acute Pain Management: Pain Management
Sudden inflammation of the pancreas. May be mild or very severe and may require surgery. More Information on Acute Pancreatitis: Liver, Pancreas & Biliary
"Acute Paronychia" is more commonly referred to as "Paronychia Nail Infection" in the medical community. Paronychia Nail Infection
Also Known As: "Chronic Paronychia"
Often tender infection of inflammation around the base of the nail fold that either starts suddenly (acute) or gradually (chronic). It is characterized by red, swollen, tender nail folds. More Information on Paronychia Nail Infection: Skin Related Infections
"Acute Pericarditis" is more commonly referred to as "Pericarditis" in the medical community. Pericarditis
Also Known As: "Adhesive Pericarditis, Postmyocardial Pericarditis, Bacterial Pericarditis, Polyserositis, Chronic Pericarditis, Constrictive Pericarditis"
An inflammation of the pericardium - a thin, fluid-filled sac surrounding the heart. It is frequently associated with chest pain that worsens with deep breaths. More Information on Pericarditis: Heart Injuries & Infections
Any substance that is released into the blood (e.g. from the liver, muscles etc.) in response to an acute illness (one that is sharp, severe and begins quickly). This is usually a response to inflammation in the body.
Inherited disorders characterized by intense abdominal pain, nausea, vomiting, constipation and dark reddish-brown urine. Acute intermittent porphyria, variegate porphyria and hereditary coproporphyria are included in this category. More Information on Acute Porphyrias: Birth & Genetic Disorders
A type of bone marrow cancer in which there is a deficiency of mature blood cells in the myeloid line of cells and an excess of immature cells called promyelocytes. It is a type of acute myeloid leukemia. More Information on Acute Promyelocytic Leukemia: Leukemia & Bone Cancer
"Acute Prostatis" is more commonly referred to as "Prostatitis" in the medical community. Prostatitis
Also Known As: "Chronic Prostatis, Chronic Bacterial Prostatitis, Asymptomatic Inflammatory Prostatis, Chronic Pelvic Pain Syndrome, Bacterial Prostatitis"
Acute or chronic inflammation of the prostate gland. About half of men experience this at some point. Bacterial infection is a common cause, but there are other causes as well. May cause problems with urination. More Information on Prostatitis: Prostate & Testicular
"Acute Rheumatic Arthritis" is more commonly referred to as "Rheumatoid Arthritis" in the medical community. Rheumatoid Arthritis
Also Known As: "RA, Systemic Rheumatic Disease, Rheumatoid Disease, Rheumatic Joint Disease, Subacute Rheumatic Arthritis"
A chronic disease involving inflammation of the joints that can lead to damage, pain and a limitation of movement. There are three phases of the disease: inflammation, thickening and finally damage to the joint. Early treatment can lessen damage. More Information on Rheumatoid Arthritis: Arthritis
"Acute Rhinosinusitis" is more commonly referred to as "Rhinosinusitis" in the medical community. Rhinosinusitis
Also Known As: "Subacute Rhinosinusitis, Noninfectious Rhinosinusitis, Chronic Rhinosinusitis, Recurrent Acute Rhinosinusitis, Allergic Rhinosinusitis"
Inflammation of the paranasal sinuses that occurs with rhinitis. It often occurs in patients with non-seasonal allergies and in those with moderate to severe asthma, and may persist for a few weeks (acute) or much longer (chronic). More Information on Rhinosinusitis: Nose & Throat
Inflammation of the lining of the sinus cavities in the face. It can be caused by infection, irritants or allergies, and may be acute or chronic. Symptoms may include runny nose, headache, teeth sensitivity, nasal congestion and facial swelling. More Information on Sinusitis: Nose & Throat
Inflammation of the lining of the sinus cavities in the face. It can be caused by infection, irritants or allergies, and may be acute or chronic. Symptoms may include runny nose, headache, teeth sensitivity, nasal congestion and facial swelling. More Information on Sinusitis: Nose & Throat
"Acute Stress" is more commonly referred to as "Stress" in the medical community. Stress
Also Known As: "Chronic Stress"
The body's natural reaction to change. During times of acute stress (the "fight or flight" response), these changes are needed and helpful. However, chronic (long-term) stress can be damaging to overall health. More Information on Stress: Stress
An anxiety disorder following an extremely traumatic event. Similar to post-traumatic stress disorder, but occurring more immediately after the trauma and usually not lasting as long. More Information on Acute Stress Disorder: Anxiety Disorders
A form of acute erosive gastritis caused by a sudden stress or injury, which may or may not occur directly at the stomach. More Information on Acute Stress Gastritis: Gastritis & Ulcer
"Acute Telogen Effluvium" is more commonly referred to as "Telogen Effluvium" in the medical community. Telogen Effluvium
Also Known As: "Chronic Telogen Effluvium"
Abnormal and usually temporary hair loss due to interruption of the normal hair cycle. It is often caused by trauma, such as chemotherapy, childbirth, major surgery, severe stress and chronic illness. More Information on Telogen Effluvium: Alopecia (Hair Loss)
"Acute Viral Gastroenteritis" is more commonly referred to as "Rotavirus" in the medical community. Rotavirus
Also Known As: "Infantile Diarrhea, Winter Diarrhea, Winter Virus, Acute Nonbacterial Infectious Gastroenteritis"
A virus that causes diarrhea, especially in young children. This is the leading cause of diarrhea in American children under the age of 2 years and also causes vomiting. More Information on Rotavirus: Pediatric Digestive
The absence of a bluish tint (cyanosis) to the skin, lips, fingernails and other parts of the body. Cyanosis can be caused by reduced cardiac output, and acyanosis can result from restoring blood flow. More Information on Acyanotic: Heart Signs & Symptoms
A type of antiviral medication used to treat viral infections or to prevent infections in people with suppressed immune systems. They may act by destroying or weakening the virus. More Information on Acyclovir: Cold & Infections Medications