Smartwatches can track heart rate and flag irregular rhythms, but cardiologists explain why a normal reading cannot rule out heart disease.

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 ...

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 ...

Scott McTominay has been diagnosed with a 'mild benign arrhythmia' and is set to undergo corrective surgery in the coming ...

Pacemakers and defibrillators are devices that help manage heart rhythm problems, but they work differently. A pacemaker ...

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 study ...

Your heart has been doing its job faithfully for years, beating steadily in the background while you go about your daily life. Then suddenly, you become acutely aware of every beat as it seems to ...

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 ...