beth israel deaconess medical center a harvard medical school teaching hospital

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Causes Not Completely Understood

It is not completely understood what causes AF.

It is thought that abnormalities or damages to the heart's structure are the most common causes. Although some people with AF have no heart defects or damage which is known as lone atrial fibrillation.

Contact Information

Cardiac Surgery
Division of the CardioVascular Institute
Beth Israel Deaconess Medical Center
Lowry Medical Office Building, 2A
110 Francis Street
Boston, MA 02215
Phone: 617-632-8383