Not to be confused with atrial fibrillation, which occurs when your heart beats in a disorganized fashion atrial flutter causes your heart to beat regularly but so rapidly that the ventricles cannot keep up, causing blood to pool in the atria.Ītrial flutter is sometimes asymptomatic other than a noticeably fast heartbeat when checking your pulse or blood pressure. Health complications related to atrial flutter The SA node then fires again, and the cycle repeats (ideally about once every second at rest) to create a two-stroke heartbeat described as a “regular rate and rhythm” of about 60-100 beats a minute.Ĭaused by an electrical short circuit in the SA node, atrial flutter can generate as many as 240-340 atrial contractions per minute. #Heart flutter series#This forces blood into the ventricles, which, guided by another series of electrical impulses, pump blood out of the heart into the lungs and the rest of your body. A small bundle of specialized cells in the right atrium called the SA (sinoatrial) node sets your heart rate and rhythm.Īt the start of every heartbeat, an electrical impulse created in the SA node spreads through the walls of the atria and causes them to contract. Your heart has four chambers – the left and right atria (upper chambers) and the ventricles (left and right lower chambers). The highly respected team at New York City’s Premier Cardiology Consultants explains atrial flutter's underlying cause and why you shouldn’t ignore it. Fortunately, it often responds well to medication or an outpatient procedure called catheter ablation. Without treatment, atrial flutter can eventually cause several serious health problems. Atrial flutter can make you feel like your heart is fluttering or beating much faster than the average rate of 60-100 beats per minute.
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