Atrial Flutter

Also known as: AFL, cardiac arrhythmia, abnormal heart rhythm, supraventricular tachycardia

What is atrial flutter?

Atrial flutter is a type of arrhythmia, or irregular heartbeats, that impact the atria (upper chambers) of the heart. With atrial flutter, the heart can beat rapidly or irregularly.


Reviewed by: Anthony F. Rossi, MD

This page was last updated on: 6/21/2019 2:19:55 AM


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The Heart Program at Nicklaus Children’s Hospital provides electrocardiogram (EKG) screenings to children and young adults in the community at no cost. The use of an EKG is critical to help diagnose asymptomatic heart defects that may not otherwise be detected in a routine physical exam. Learn more.