There are a number of treatments - drugs and procedures - intended to correct the fundamental heart rhythm problem in patients with atrial fibrillation, but the main focus of treatment is to try to decrease the rate of stroke by preventing the formation of these blood clots. The main concern, however, is that atrial fibrillation can lead to the formation of blood clots in the heart, which can travel to the brain and cause a stroke. Atrial fibrillation can produce palpitations, shortness of breath, lightheadedness, weakness, and chest pain, or may occur without symptoms. More than 3 million Americans have atrial fibrillation, a problem with the electrical system of the heart that causes an irregular heart rhythm.
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