Miscarriage - Overview
A miscarriage is the spontaneous loss of a fetus before the 20th week of pregnancy. (Pregnancy losses after the 20th week are called preterm deliveries.) A miscarriage may also be called a "spontaneous abortion." This refers to naturally ... [... more]
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Malignant hypertension - Overview
Accelerated hypertension; Arteriolar nephrosclerosis; Nephrosclerosis - arteriolar; Hypertension - malignant Malignant hypertension is usually defined as very high blood pressure with swelling of the optic nerve behind the eye. The swelling of ... [... more]
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Metabolic acidosis - Overview
Metabolic acidosis is a disturbance in the body's acid-base balance that results in excessive acidity of the blood. Metabolic acidosis can occur as a result of many different conditions such as kidney failure, diabetic ketoacidosis, and ... [... more]
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Heart attack - Overview
A heart attack is when blood flow to a part of the heart is blocked, preventing enough oxygen from getting to the heart. The heart muscle dies or becomes permanently damaged. Your doctor calls this a myocardial infarction. Most heart attacks are ... [... more]
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Mitral regurgitation - acute - Overview
Acute mitral regurgitation is a disorder in which the heart's mitral valve suddenly does not close properly, causing blood to flow backward (leak) into the upper heart chamber when the left lower heart chamber contracts. Regurgitation means ... [... more]
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Acute mountain sickness - Overview
High altitude cerebral edema; Altitude anoxia; Altitude sickness; Mountain sickness; High altitude pulmonary edema Acute mountain sickness is an illness that can affect mountain climbers, hikers, skiers, or travelers who climb too fast. It ... [... more]
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Bronchial adenoma - Overview
Bronchial gland tumors; Mucous gland adenoma; Bronchial carcinoid tumors; Mucoepidermoid carcinoma; Cylindroma A bronchial adenoma is a type of tumor in the windpipe (trachea) or large airways of the lung (bronchi) that usually blocks the airway. ... [... more]
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Adrenoleukodystrophy - Overview
Adrenoleukodystrophy; Adrenomyeloneuropathy; Addison disease; Childhood cerebral adrenoleukodystrophy; ALD; Schilder-Addison Complex X-linked adrenoleukodystrophy describes several closely related inherited disorders that disrupt the breakdown ... [... more]
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Hypothyroidism - Overview
Hypothyroidism is a condition in which the thyroid gland fails to produce enough thyroid hormone. The thyroid gland is located in the front of the neck just below the voice box (larynx). It releases hormones that control metabolism. These ... [... more]
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Macular degeneration - Overview
Age-related macular degeneration (AMD), AMD, Senile macular degeneration (SMD) Macular degeneration is an eye disorder that makes it difficult to see fine details. The condition affects the macula, the part of the retina responsible for central ... [... more]
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Primary myelofibrosis - Overview
Myelofibrosis; Idiopathic myelofibrosis; Myeloid metaplasia; Agnogenic myeloid metaplasia Primary myelofibrosis is a disorder of the bone marrow, in which the marrow is replaced by fibrous (scar) tissue. The cause of primary myelofibrosis is ... [... more]
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Male pattern baldness - Overview
Alopecia in men; Baldness - male; Hair loss in men; Androgenetic alopecia Male pattern baldness is the most common type of hair loss in men. It usually follows a typical pattern of receding hairline and hair thinning on the crown, and is caused ... [... more]
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