Paroxysmal Atrial Fibrillation Complications

Paroxysmal atrial fibrillation has two major complications - stroke and heart failure. The risk of stroke results from the pooling of blood in the atria during fibrillation. This can cause a blood clot to form, and in some cases, break free and go to the brain. Atrial fibrillation, especially if not controlled, may weaken the heart, leading to heart failure, a condition in which your heart can't circulate enough blood to meet your body's needs.

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