Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes age 50 ...

Patients with heart failure and atrial fibrillation (AF) at the time of mitral transcatheter edge-to-edge repair (M-TEER) for ...

Irregular heartbeat affecting your health? Learn how to detect heart arrhythmia, what causes it, and which treatments can ...

New research explains how low levels of the electrolyte sodium in the blood can disrupt the timing of the heartbeat in patients taking widely used rhythm-control medications such as flecainide, which ...

Discover the 8 critical warning signs your body sends up to one month before a heart attack. Learn to recognize these life-saving symptoms early.

Do you ever feel fluttering in your chest — or like your heart has skipped a beat? This could be a sign of an arrhythmia, which is an abnormal or irregular heartbeat. Cardiac electrophysiologists, or ...

RHONJ star Dolores Catania updates fans on her recovery after heart surgery to treat atrial fibrillation, sharing health tips and personal insights ...