The diagnosis is normal sinus rhythm, atrial bigeminy, first-degree atrioventricular (AV) block (prolonged AV conduction), and right bundle branch block (RBBB). The rhythm is slightly irregular, with ...

Many heart emergencies come out of nowhere, especially when the person recently had normal ECGs, cholesterol levels, or ...

A watch alert helped detect heart disorder after an in-office EKG looked normal, doctors said.

Background Coronary microvascular dysfunction (CMD) is associated with a poor prognosis but is difficult to diagnose non-invasively. In a recent paper, ST-segment depression on exercise-ECG was found ...