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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]
The CDC estimates that 12.1 million U.S. adults will have atrial fibrillation by 2030. A new study finds that the most common complication related to AFib is heart failure.
What causes Afib? Afib happens when cells in the upper chamber of the heart are triggered by something, causing an irregular heart rhythm in the upper chamber.
Fibrillation can affect the atrium (atrial fibrillation) or the ventricle (ventricular fibrillation): ventricular fibrillation is imminently life-threatening. Atrial fibrillation affects the upper chambers of the heart, known as the atria. Atrial fibrillation may be due to serious underlying medical conditions and should be evaluated by a ...
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.
New research indicates that 1 hour of moderate exercise per week can help prevent atrial fibrillation (AFib). ... Some studies have suggested that exercise may be an “emerging cause” for young