Accurately measuring electrical signals and calcium levels in the heart can lead to earlier treatment of potentially fatal conditions, such as heart attack or congestive heart failure. Calcium plays ...

Surviving a heart attack is often viewed as the end of a medical emergency, but cardiologists emphasize that recovery is only beginning when a patient leaves the hospital. The heart must heal, ...

Myocardial ischemia is a drop in blood flow to the heart. Myocardial infarction, or heart attack, occurs when death or damage occurs in the muscle tissue of the heart due to low blood supply. The ...