Health After 50 Topic Page:
Atrial Fibrillation is a common heart rhythm abnormality (cardiac arrhythmia) in which the atria (upper chambers of the heart) contract at a rapid, chaotic rate and cause rapid and irregular contractions of the ventricles (lower chambers of the heart).
Atrial Fibrillation Articles:
Johns Hopkins Symptoms and Remedies:
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All the articles in the Heart Health area are derived from our monthly newsletter, Johns Hopkins Health After 50, and our annual Johns Hopkins White Paper: Coronary Heart Disease and Johns Hopkins White Paper: Heart Attack Prevention located in our Bookstore.