Premature ventricular contraction (PVC) is a type of abnormal heartbeat, or arrhythmia. It happens when the heartbeat begins in the lower, rather than the upper, heart chambers. This creates an ...

WASHINGTON, DC — A higher percentage of premature ventricular contractions (PVCs) predicted a dropoff in LV ejection fraction and a greater risk of incident heart failure and mortality in a long-term ...

Palo Alto, CA - A new study shows that individuals undergoing treadmill testing who had ventricular arrhythmias during the recovery phase had an almost doubling of mortality in the five-year follow-up ...

Introduction: Continuous positive airway pressure (CPAP) treatment is considered effective in reducing ventricular arrhythmias (VAs) in patients with obstructive sleep apnea (OSA). Objectives: We ...

An arrhythmia is an irregular heartbeat that may feel like a racing or fluttering heart. It is not always serious but can sometimes indicate a potentially fatal heart problem. Arrhythmias — sometimes ...

Magnesium plays a vital role in maintaining a steady heart rhythm by regulating electrolyte movement within heart tissues; deficiencies can increase the risk of arrhythmias. While not a primary ...