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Prolonged PR Interval on EKG Warns of Atrial Fibrillation Risk, Pacemaker, or Death

A new study published in the Journal of the American Medical Association finds a potential warning sign for three heart rhythm issues—the risk of atrial fibrillation, the need for a pacemaker, and the risk of death. When EKGs show a prolonged PR interval, that is traditionally considered relatively benign, but that may not be the …

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