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 ...

I've been using AliveCor's Kardia personal ECG devices to help manage my patients with atrial fibrillation (AF) for 7 years now. Early on, I pointed out (see here) that Kardia was easily confused by ...

When your heartbeat doesn’t follow the typical heartbeat pattern and instead is slightly offbeat, it could be due to a PVC or premature ventricular contractions. There are treatments that can correct ...

Honolulu, HI - A stroke substudy of the Atrial Fibrillation Follow-up Investigation of Rhythm Management (AFFIRM) trial has found no differences in the rate of ischemic stroke between the rhythm and ...

This is a challenging ECG in regards to determining if the wide QRS complex rhythm is from ventricular tachycardia or "SVT with aberrancy" such as AV nodal reentry tachycardia causing a rate-dependent ...