SUDDEN death in persons with artificial pacemakers is a continuing and disturbing problem. Causes include pacemaker-catheter displacement, electric-component failure, broken wires and rising pacing ...

Ventricular fibrillation is a cardiac arrhythmia in which the muscle in the lower chambers of the heart (the ventricles) contracts irregularly and rapidly. The ventricles quiver and are unable to ...

A 67-year-old man with acute anterolateral myocardial infarction had recurrent ventricular fibrillation that required insertion of temporary pacemaker. When a permanent pacemaker was inserted stable ...

Credit: Shutterstock. Electrocardiography documented atrial fibrillation with a slow ventricular response and right bundle branch block; blood pressure was 72/40mmHg and heart rate was 35 beats/minute ...

Without treatment, some arrhythmias can lead to life threatening complications, such as heart failure, cardiac arrest, or a stroke. Arrhythmia is the term used to describe an irregular or abnormal ...

Sen. John Fetterman was hospitalized Thursday after suffering injuries to his face in a fall due to a serious heart condition, ventricular fibrillation. This life-threatening condition is the ...

HARRISBURG, Pa. — U.S. Sen. John Fetterman had what his office says was a “ventricular fibrillation flare-up” that caused him to feel light-headed and fall during an early morning walk Thursday.

Sen. John Fetterman's office said the Pennsylvania Democrat is under "routine observation" in a Pittsburgh hospital after he fell during an early morning walk Thursday near his home in Braddock, ...