Chest pain or palpitations can signal hidden heart trouble. Know when an ECG test is needed, what results show, and when to seek urgent care.

A cardiac stress test shows how your heart works during physical activity. Vienybe/Dreamstime/TNS Heart health is an essential part of your overall health and well-being. Your primary care provider ...

The external assessment group (EAG) did a systematic review to identify evidence on the diagnostic accuracy and clinical effectiveness of using the lead‑I ECG devices to detect atrial fibrillation.

Since the Apple Watch Series 4 was announced in September, one of its most anticipated functions has been the promise to perform a mobile electrocardiogram (ECG or EKG) whenever a consumer wants. The ...