Atrial fibrillation/flutter is a heart rhythm disorder (arrhythmia. It usually involves a rapid heart rate, in which the upper heart chambers (atria) are stimulated to contract in a very disorganized and abnormal manner.
- Heart Conduction system abnormalities
Atrial flutter is a type of abnormal heart rate. It occurs when the upper chambers of your heart beat too fast. Learn about symptoms and...
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