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Atrial flutter atrial fibrillation7/12/2023 It may reverse itself once the heart rate returns back to normal. With slower atrial arrhythmias such as atrial flutter, where less concealment of conduction occurs, it is possible that the same effect on ventricular rate may. If this clot, or a part of it, breaks off and travels in your bloodstream, it may travel to your brain and cause a stroke (which can cause brain cells to die resulting in brain damage), to your lungs and cause a pulmonary clot, or it can block the blood flow to other body organs.Īlso, if your heart is allowed to beat at more than 100 bpm for weeks or months, the heart muscle may become enlarged and/or weakened. The blood then pools in the chamber and may clot. Atrial fibrillation (AFib) and atrial flutter are both arrhythmias, which are atypical heart rhythms. When the atria do not contract normally, the blood can begin to clot. ![]() The most serious complication is a blood clot (thrombus) forming in your heart if the flutter goes on for long periods of time.Ī blood clot can form inside the atria because, at a fast heart rate such as 300 bpm, the blood isn’t emptying well from these chambers. Afib/flutter could lead to complications, such as stroke or heart failure. This rhythm is rarely dangerous, although it can make you feel unwell. Some people can have two or all three of these arrhythmias at different times. ![]() Two other heart arrhythmias are closely related to atrial flutter (atrial tachycardia and atrial fibrillation). It’s rare in children and young adults.įor many people there isn’t anything obvious that will trigger an episode of AF. When there are no underlying health issues, it’s called primary atrial flutter.Ītrial flutter is seen more often as we get older. However, atrial flutter can also happen without any of these or other health issues. What causes atrial flutter?Ītrial flutter is more common in people with health conditions that have caused changes in the electrical system in their heart like:
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