Chest pain or palpitations can signal hidden heart trouble. Know when an ECG test is needed, what results show, and when to seek urgent care.

A single troponin level measurement test and an electrocardiogram may be sufficient to rule out the risk of a heart attack in patients complaining of chest pain, according to a study in the Journal of ...

Atrial fibrillation (AFib) is a heart condition characterized by an irregular and often rapid heartbeat. However, some individuals may experience a standard heart rate without medication, depending on ...

Researchers have developed a non-invasive, reusable 'ECG vest' that takes high-resolution images of the heart's electrical activity in five minutes. Combining its data with cardiac MRI scans can ...

The correct diagnosis is sinus rhythm with premature ventricular contractions and ventricular parasystole (Figure 2). Figure 2. Courtesy of Philip J. Podrid, MD. The rhythm is irregular. There are ...

Question: I’ve been experiencing heart palpitations a few times a week. They only last seconds, but they’re frightening. Should I be concerned? I am a 32-year-old female. Dr Grant replies: The ...

The correct diagnosis is sinus rhythm, LVH, and normal T waves (Figure 2). The ECG shows a normal P wave (+) before each QRS complex with a stable and normal PR interval and a stable PP interval with ...