Differences While atrial flutter and atrial fibrillation are each conditions that involve the atria (the heart's upper chambers), there are some differences between the two conditions.

Atrial Flutter Symptoms and Complications Aside from a rapid heart rate, symptoms of atrial flutter include the following, according to the Heart Rhythm Society and MedlinePlus: Palpitations ...

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 ...

Radiofrequency ablation should be considered as first-choice therapy for symptomatic atrial flutter, even after just one episode, investigators conclude. An accompanying editorial, however ...

"Atrial flutter can make your heart’s upper chambers beat 250 to 350 times a minute. This causes your lower chambers to beat fast as a response, commonly as fast as 150 beats a minute or more." ...

"So, untreated atrial flutter, atrial fibrillation, can cause a stroke down the road, if not immediately," he says. "We are not talking about a matter of days or weeks, but years in the future.

Arch Intern Med. 2004;164:1675-1678 Reviewed by Gary D. Vogin, MD evaluated the risk of atrial fibrillation or flutter associated with hyperthyroidism.