Atrial flutter is an abnormal heart rhythm where the upper heart chambers beat too fast, reducing the heart’s ability to pump blood effectively and potentially leading to heart muscle damage, stroke, ...

Atrial flutter occurs when a “reentrant” circuit is present, causing a repeated loop of electrical activity to depolarize the atrium at a rate of about 250 to 350 beats per minute; the atrial rate in ...

Atrial fibrillation (AFib) and atrial flutter are both arrhythmias, or atypical heart rhythms. Both conditions share similar causes, risk factors, symptoms, and treatments but differ in other ways.

Atrial flutter is a type of abnormal heart rhythm that causes a rapid but regular heartbeat. It can lead to severe complications without treatment from a doctor. Atrial flutter occurs when the upper ...