One major difference between the two arrhythmias is that your heartbeat is always irregular in atrial fibrillation, but may be regular or irregular with atrial flutter. In general, AFib is more common then atrial flutter. Patients with atrial flutter are also at increased risk to develop atrial fibrillation as well. In addition, many patients with atrial flutter will also require blood thinning medications to reduce risk of stroke, similar to AFib. Similar to AFib, these blood clots then lead to an increased risk for stroke. These clots can travel to other parts of the body and get stuck in smaller blood vessels. There is also a risk of unwanted blood clots forming in the heart with both types of arrhythmias. The symptoms of rapid atrial flutter are similar to AFib with RVR. Many of the symptoms of atrial flutter are similar to symptoms of AFib. This causes the heart to beat more rapidly than normal. They are both caused when there are problems with the electrical impulses of the upper chambers of the heart that make your heart muscle contract. Atrial Fibrillation: What’s the Difference?Ītrial flutter and atrial fibrillation are both types of arrhythmias (abnormal heart rhythms). This rapid heart rate in the ventricles can then lead to similar symptoms of AFib with palpitations or shortness of breath. This still results in the heart beating between 120 and 170 times per minute. Many times only every other beat from the atria makes it through to the ventricles. Fortunately, they usually do not beat quite as fast as the atria. The lower chambers of the heart, the ventricles, also beat faster than normal. However, having atrial flutter in the right atrium is more typical form of atrial flutter. There are also less common forms of atrial flutter where the short circuit travels in the left atrium, not the right atrium. These rapid contractions can prevent the chambers from filling completely between heartbeats. In the most typical form of atrial flutter, a short circuit forms allowing the electrical signal to travel rapidly around the right atrium at a typical speed between 240 and 340 contractions per minute. The electrical impulse then travels through the heart muscle, triggering it to squeeze. The normal beats begin with an electrical signal sent out from a small area in your heart’s right upper chamber (atrium) called the sinus node.
Normally your heart beats between 60 and 100 times per minute. While atrial flutter shares many similarities with AFib, there are a few key differences to discuss.
There are so many similarities that I frequently refer to atrial flutter as the cousin of atrial fibrillation. Both arrhythmias can cause a rapid heart rate and increase risk for stroke. Another common heart arrhythmia is called atrial flutter. While atrial fibrillation ( Also known as AFib) is one of the better-known heart rhythm disorders, it isn’t the only one. What You Should Know About Atrial Flutter
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