Dr. Hugh Calkins answers the question: 'Atrial Fibrillation vs. Atrial Flutter?' — -- Question: My doctor told me I sometimes have atrial fibrillation and at other times have atrial flutter. What ...

Atrial flutter (AFL) is a type of abnormal heart rhythm, or arrhythmia. It occurs when the upper chambers of your heart beat too fast, causing the bottom chambers to also beat faster than normal.

Please provide your email address to receive an email when new articles are posted on . New-onset atrial fibrillation and atrial flutter are as common in hospitalized patients with influenza as with ...

When your electrical system is working normally, the two upper chambers of the heart (atria) contract and pump blood into the two lower chambers (ventricles) in a well-coordinated way. This results in ...

Atrial flutter is a type of irregular heartbeat, or an arrhythmia. It causes your heart to beat too fast. Atrial flutter doesn't always have symptoms, but it can sometimes have serious consequences if ...

Atrial flutter is a heart disorder in which the heart beats out of its normal rhythm. The condition is similar to atrial fibrillation (afib) — the most common type of arrhythmia (abnormal heartbeat) — ...