Pulse Rate

Learn the Symptoms of Atrial Fibrillation

…forcefully to move the blood out, the atria quiver or "fibrillate." This can send heart rates up to 130 to 250 beats per minute, or more. Uncontrolled AF (episodes longer than 24 hours, or extremely high or low heart rates), can place a considerable strain on your heart. Occasionally, this can lead to a heart…

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