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Atrial flutter (AFL) is a common abnormal heart rhythm that starts in the atrial chambers of the heart. [1] When it first occurs, it is usually associated with a fast heart rate and is classified as a type of supraventricular tachycardia. [2]
The heart has four chambers, two upper chambers—the left and right atrium, or together the atria, and two lower chambers—the left and right ventricles. Atrial flutter is used to describe when the atria contract at really high rates—about 300 beats per minute, but sometimes as high as 400 beats per minute. Why flutter?
This is a low-risk procedure that uses a catheter inside the heart to deliver radiofrequency energy to locate and destroy the abnormal electrical pathways. Ablation has been shown to be highly effective: around 90% in the case of AVNRT. Similar high rates of success are achieved with AVRT and typical atrial flutter. [25]
Atrial fibrillation (A-fib). An irregular and often very fast heart rate. ... Heart palpitations. Heart attack. A heart attack occurs when the blood flow to your heart is blocked. The most common ...
Atrial flutter is a type of heart rhythm disorder during which the heart's upper chambers beat faster than its lower chambers. This causes the heart to beat in a sped-up but consistent pattern, as ...
Heart palpitations (fluttering feelings in the chest) Extreme fatigue. Fainting. Nausea. ... Certain heart diseases, such as atrial fibrillation or congenital heart defects, can predispose to ...
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