An electrocardiogram, or ECG, is a standard test that records your heart’s electrical activity – offering a quick and painless way to identify irregular heart rhythms and other potential issues. But ...

With symptoms such as a racing, fluttering heartbeat and shortness of breath, atrial fibrillation (AFib) is more than uncomfortable — it makes stroke five times more likely and, over time, can weaken ...

A 67-year-old man with a history of dilated cardiomyopathy and a left ventricular ejection fraction of 40% presents to his primary care provider for a routine physical examination. His vital signs and ...