Atrial flutter is an abnormality in the beating of the heart. Take a comprehensive look at the causes, symptoms, diagnosis, and treatment of atrial flutter and atrial fibrillation.

Atrial flutter is similar to another type of arrhythmia called atrial fibrillation (AFib). Both start in the upper chambers of the heart and cause a fast heartbeat and increase your risk of stroke.

Atrial flutter is a disorder which causes the heart to beat out of its normal rhythm. Learn more here.

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 risk factors.