A premature ventricular contraction occurs when a focus in the ventricle generates an action potential before the next scheduled sinoatrial nodal action potential. Premature, occurring earlier than ...

A healthy 33-year-old woman with no cardiac risk factors feels thumps or skipped beats in her chest a few times a day regardless of activity. An event recorder showed premature ventricular ...

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 ...

Background Premature ventricular complexes (PVCs) are common and can cause concerns in both patients and their caregivers. In ...

Between Sept 1982 and Oct 1984, we diagnosed premature ventricular contractions(PVCs) in 9 newborns and infants (3M/6F). CXRs were obtained in 6 patients(pts) and ...

In the last few weeks, the Skeptical Cardiologist has had a run on with patients with premature atrial contractions (PACs). I've discussed in detail premature ventricular contractions (PVCs) here and ...

Correspondence to Dr Alessandro Biffi, Med-Ex, Medicine & Exercise, Medical Partner Scuderia Ferrari, Rome, Italy; a.biffi{at}libero.it Long-term physical activity induces structural, functional and ...

A couple of neat Apple Watch stories popped up on Reddit recently. One user shared how his Apple Watch Series 4 caught a premature ventricular contraction and was able to quickly share the results ...

Peter Spector, M.D.; Nicole Habel, M.D. iii Shorthand convention meaning "advances the timing of the subsequent atrial activation." iv Delivered during His refractoriness v The conclusions that we are ...