In this form, the electrical impulses repeatedly travel in a cyclic pattern within the right atrium. It is also known as common AFL or typical AFL and is characterized by a heart rate of 240-340 beats per minute. Only few of the patients may exhibit both the forms, where each type occurs only one at a time. Atrial flutter TypesĪFL is usually classified into two forms, of which affected patients normally acquire only one. However, AF is usually much faster and severe, unlike AFL. Sometimes, AFL and AF can co-exist together. The irregular rhythms of the heart are rarely stable and may lead to atrial fibrillation (AF) – a severe form of abnormal heartbeat associated with congestive heart failure. Atrial flutter versus Atrial fibrillation The condition is found to be more frequent in males than in females. Picture 1 – Atrial flutterĪFL was first recognized in the year 1920 as a separate medical disorder by the British physician Sir Thomas Lewis British and his colleagues. Owing to the rapid contraction of the atria, the heart rate increases to 250-350 beats per minute. In this condition, electrical impulses that normally control the heartbeat take an abnormal path through the atria and start circulating around the tricuspid valve in the right atrium. It belongs to a group of supra-ventricular tachycardias or any fast heart rhythm originating above the ventricular tissue. It generally occurs in the atria- entry chambers on both sides of the heart that lead to the ventricles. It is an abnormality of the heart rhythm that is characterized by rapid or irregular heartbeat. Atrial flutter versus Atrial fibrillation.
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