Health Encyclopedia

The Health Encyclopedia provides the most comprehensive, patient-friendly health information available on the internet. More than 11,000 pages of content detail diseases, symptoms, medical tests, injuries and other common health and medical questions.

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P.A.M. is an abbreviation for "Potential Acuity Meter." It is an instrument used to examine the eyes.
Review Date: 11/13/2007

A pacemaker is a small, battery-operated device that helps the heart beat regularly and at an appropriate rate.
Review Date: 7/17/2006

Paget's disease is a disorder that involves abnormal bone destruction and regrowth, which results in deformity.
Review Date: 12/6/2007

Paget's disease is a disorder that involves abnormal bone destruction and regrowth, which results in deformity.
Review Date: 3/19/2008

Review Date: 6/8/2007

Review Date: 5/2/2009

Painful menstrual periods are periods in which a woman experiences crampy lower abdominal pain, sharp pain that comes and goes, aching pain, or possibly back pain.
Review Date: 11/9/2007

Painful menstrual periods are periods in which a woman experiences crampy lower abdominal pain, sharp pain that comes and goes, aching pain, or possibly back pain.
Review Date: 9/2/2009

Swallowing pain refers to a strong feeling of uncomfortable squeezing and burning while swallowing, which may be felt high in the neck or lower down behind the breastbone. Such pain may be a symptom of a serious disorder.See also: Swallowing difficulty
Review Date: 11/13/2007

Swallowing pain refers to a strong feeling of uncomfortable squeezing and burning while swallowing, which may be felt high in the neck or lower down behind the breastbone. Such pain may be a symptom of a serious disorder.See also: Swallowing difficulty
Review Date: 11/13/2007

Showing 1 - 10 of 694 Results Next >