“Lub-dub…lub-dub…lub-dub…” That’s the sound a healthy heart makes as its valves close after each pump. Your doctor wants to hear this sound when listening to your heartbeat with a stethoscope. But if ...

An abnormal heart rhythm, or arrhythmia (also referred to as an irregular heartbeat), is a condition in which your heart beats too fast (at more than 100 beats per minute, or BPM), too slowly (at less ...

Ever had that moment where it feels like your heart skips a beat? This might occur after a stressful day, a burst of exciting news, meeting someone new or even drinking your morning coffee. And ...

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure, and even premature death. While many risk factors contribute to A-fib, one stands ...

DALLAS, July 17, 2025 — Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes age 50 or older, potentially increasing their risk of ...

Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes age 50 or older, potentially increasing their risk of sudden cardiac death, ...

(CNN) — You may be able to lower your risk for developing heart rhythm abnormalities by speeding up your walking pace. That’s according to a large new study published Tuesday in the journal Heart, ...

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person's risk of stroke, heart failure and even premature death. While many risk factors contribute to A-fib, one stands ...