The human heart beats nearly 100,000 times a day, powered by a precise electrical system that keeps blood flowing to every ...

Learn why your heart may be beating slowly, and when it is normal and when it is not, prompting immediate check-up.

CHICAGO (Reuters) - The death of a spouse or child can trigger potentially harmful rapid increases in heart rate and changes in heart-rhythm regularity, but a study showed the measures revert back to ...

Electrocardiograms (EKGs) can help diagnose heart failure by measuring the electrical activity of the heartbeat. Doctors use EKGs alongside other tests to help assess heart failure. Heart failure ...

A heart shock may restore the heart’s rhythm and is a potential treatment for atrial fibrillation (AFib). Doctors also refer to heart shock as electrical cardioversion. In AFib, a person has an ...

A heart charity is urging people to get screened during World Heart Rhythm Week.