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An arrhythmia is a problem with the speed or rhythm of the heartbeat. Atrial fibrillation (AF) is the most common type of arrhythmia. The cause is a disorder in the heart's electrical system.

Often, people who have AF may not even feel symptoms. But you may feel

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A photo of an EKG strip
Results 1 - 10 of 273 for atrial fibrillation
  1. Atrial Fibrillation (National Library of Medicine)  
    ... with the speed or rhythm of the heartbeat. Atrial fibrillation (AF) is the most common type of arrhythmia. ...
  2. Atrial Fibrillation Interactive Tutorial (Patient Education Institute)  
    ... and causes them to contract and pump blood. Atrial Fibrillation Atrial fibrillation occurs when the electric current in the heart ... heart failure are the two main causes of atrial fibrillation. This document is for informational purposes and is ...
  3. ... literature OMIM Genetic disorder catalog Genetic Conditions > Familial atrial fibrillation On this page: Description Genetic changes Inheritance Diagnosis ...
  4. A Patient’s Guide to Living With Atrial Fibrillation Julie B. Shea , MS, RNCS ; Samuel F. Sears , PhD From the Brigham and Women’s Hospital, Boston, Mass (J.B.S.) and East Carolina ...
  5. Stroke Prevention in Atrial Fibrillation (American Heart Association)  
    Stroke Prevention in Atrial Fibrillation Christian T. Ruff , MD, MPH From the TIMI Study Group, Brigham and Women's Hospital, Harvard Medical School, Boston, MA. ...
  6. Atrial Fibrillation and Stroke From the National Institutes of Health (National Institute of Neurological Disorders and Stroke)  
    NINDS Atrial Fibrillation and Stroke Information Page Table of Contents (click to jump to sections) What is Atrial Fibrillation and ... research is being done? Clinical Trials What is Atrial Fibrillation and Stroke? Atrial fibrillation (AF) describes the rapid, ...
  7. Atrial Fibrillation From the National Institutes of Health (National Heart, Lung, and Blood Institute)  
    ... page from the NHLBI on Twitter. What Is Atrial Fibrillation? Atrial fibrillation (A-tre-al fi-bri-LA- ... Heart Works article. Understanding the Electrical Problem in Atrial Fibrillation In AF, the heart's electrical signals don't ...
  8. How Is Atrial Fibrillation Treated? (National Heart, Lung, and Blood Institute)  
    ... page from the NHLBI on Twitter. How Is Atrial Fibrillation Treated? Treatment for atrial fibrillation (AF) depends on ... too much thyroid hormone). Who Needs Treatment for Atrial Fibrillation? People who have AF but don't have ...
  9. Pulse Check The importance of self-screening for atrial fibrillation twice a year What is atrial fibrillation? Atrial fibrillation (AF) is a very irregular heartbeat. ...
  10. Atrial Fibrillation (Mayo Foundation for Medical Education and Research)  
    ... may be reprinted for personal, noncommercial use only. Atrial fibrillation By Mayo Clinic staff Original Article: http://www.mayoclinic.com/health/atrial-fibrillation/DS00291 Definition Symptoms Causes Risk factors Complications Preparing ...
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