A group of researchers led by James A. Reiffel, M.D., did a study to determine the incidence of previously undiagnosed atrial fibrillation in high-risk patients with the use of insertable cardiac monitors (ICM). The results of the REVEAL AF Study were recently published in JAMA. From November 2012 to January 2017, researchers enrolled a total of 446 patients who were at substantial risk for development of AF. The patient’s risk was determined using the CHADS2 scoring system.

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