Corticosteroid Therapy May Be Associated with Irregular Heartbeat
CHICAGO, I.L. -- May 11, 2006 -- High doses of medications known as corticosteroids may be linked to an increased risk for atrial fibrillation, a heart rhythm disorder characterized by an irregular heartbeat, according to an article in the May 8 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
Atrial fibrillation, which occurs when muscles of the heart's two upper chambers (atria) contract irregularly, is the most common type of irregular heartbeat and affects about 4% of adults older than age 60, according to background information in the article
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