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, ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Q: What is the difference between atrial fibrillation and supraventricular tachycardia? A: While both conditions are rapid, abnormal heart rhythms that originate in the upper part of the heart, they ...

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 ...

Understand cardiomyopathy in simple terms, including its early symptoms, possible causes, risks, and treatment options to ...

Add Yahoo as a preferred source to see more of our stories on Google. A sudden onset of irregular heart rhythms can be disorienting. wildpixel/iStock via Getty Images Plus Atrial fibrillation, or ...

Using computers to make a digital replica of the heart -- a digital heart twin -- can successfully identify problem areas deep in the heart muscle of people with a serious heart rhythm disorder, a new ...

Heart attacks and cardiac arrest represent two of the most serious cardiovascular emergencies facing modern medicine, yet public confusion between these distinct conditions remains widespread. This ...

Understand what causes heart blockage, its early warning signs, key risk factors, and important tests that help detect ...