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Atrial fibrillation is associated with an increased risk of heart failure, dementia, and stroke. [3] [12] It is a type of supraventricular tachycardia. [14] Atrial fibrillation frequently results from bursts of tachycardia that originate in muscle bundles extending from the atrium to the pulmonary veins. [15]
There are two major classes of cardiac fibrillation: atrial fibrillation and ventricular fibrillation. Atrial fibrillation is an irregular and uncoordinated contraction of the cardiac muscle of atria. It can be a chronic condition, usually treated with anticoagulation and sometimes with conversion to normal sinus rhythm.
Other studies on food consumption or caffeine haven't shown the direct effect to Afib like the studies on alcohol have, Natale said. What are the symptoms of Afib? Some people know immediately.
Previous studies have reported that about 3.3 million people in the United States have atrial fibrillation (AFib) — a condition that causes the heart to beat in an irregular pattern or very rapidly.
Those who have severe symptoms from an arrhythmia or are medically unstable may receive urgent treatment with a controlled electric shock in the form of cardioversion or defibrillation. [6] Arrhythmia affects millions of people. [4] In Europe and North America, as of 2014, atrial fibrillation affects about 2% to 3% of the population. [9]
Atrial fibrillation, an irregular heartbeat, is three times more common than previously thought, according to a new study published on Wednesday.. Estimates from more than two decades ago had ...