A chess grandmaster from the Bay Area who died in October was found to have died due to a probable cardiac arrhythmia and had ...

By Dennis Thompson HealthDay ReporterFRIDAY, Jan. 23, 2026 (HealthDay News) — Smartwatches can greatly improve doctors’ ability to detect hidden-but-dangerous heart rhythm problems, a new clinical ...

Smartwatches with both PPG and ECG functionality improve the detection of atrial fibrillation in comparison with standard ...

Presence of cardiac fibrosis puts high-level endurance athletes at increased risk for ventricular tachycardia while exercising ...

A new study reveals male endurance athletes over 50 may face increased heart rhythm risks during exercise, especially those ...

Millions of people live with atrial fibrillation, a racing, uneven heartbeat that can leave you exhausted and scared. Yet it ...

Atrial fibrillation is one of the most common kinds of arrhythmia, causing the heart not to contract properly in order to ...

A heart that beats too fast can leave you lightheaded, dizzy, out of breath or feeling fatigued.

Events like panic attacks or low blood sugar can sometimes mimic arrhythmia symptoms. Several other conditions can contribute to, occur alongside, or result from arrhythmia. An arrhythmia is the ...

Irregular heartbeats, or arrhythmia, can significantly affect a person’s quality of life and overall health. When medication and lifestyle changes are ineffective, doctors may recommend surgery to ...

The study, published earlier this month in the European Journal of Preventive Cardiology, found that some endurance athletes ...