The 12-lead electrocardiogram, a noninvasive device that shows the heart’s electrical activity, is considered the gold standard for diagnosing patients with the cardiac rhythm disorder atrial fibrillation.
However, the Cleveland Clinic has demonstrated that a smartwatch wristband and app—cleared by the U.S. Food and Drug Administration in November—can accurately display the heart’s electrical activity and notify patients with AFib if their heart is beating normally or not.
