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 ...

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 ...

In tracing "a" of Figure 1, there seems to be only one P wave in front of each QRS complex, suggesting sinus rhythm. However, during the compensatory pauses after the PVCs (↑) in tracing "b," there ...

Recent studies have determined that blacks have a lower risk of atrial fibrillation (AF) compared with whites despite having a higher prevalence of risk factors such as hypertension and heart failure.

Q: About 15 years ago, while giving blood, I was advised of an irregularity, which my doctor confirmed after an EKG, known as premature ventricular contractions. He told me not to worry, and I've not ...

Philadelphia, October 12, 2022 – Extended cardiac monitoring in patients and the use of implantable cardiovascular electronic devices can increase detection of atrial fibrillation (AF), but the ...

Atrial fibrillation (AFib) is a disorder centered in the heart's upper chambers that causes the organ to be unable to maintain its regular rhythm. The condition can cause palpitations, fatigue, ...

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 ...

Philadelphia, PA, Oct. 27, 2017 - Recent studies have determined that blacks have a lower risk of atrial fibrillation (AF) compared with whites despite having a higher prevalence of risk factors such ...