Both heart diseases have the potential of becoming serious. However, many doctors and other health care professionals consider atrial flutter to be less serious than atrial fibrillation because flutter symptoms tend to be less severe and flutter waves have a less risk of embolization (clot formation).
Read moreCan you have AFib and a flutter at the same time?
Atrial flutter occurs when certain electrical signals do not reach the ventricles of the heart. Like AFib, this rapid heartbeat also increases the risk of developing blood clots and stroke. The condition can be temporary or ongoing. Often, AFib and atrial flutter occur at the same time .
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