Here, there is atrial bigeminy due to premature atrial complexes. Although the last QRS in lead II is slightly larger, the aberrant ventricular conduction in the premature beats is not evident in ...

But some heart rhythms—including atrial fibrillation and ventricular tachycardia—can signal a greatly increased risk of stroke, heart failure, and death, McElderry says. At the Heart and Vascular ...

Background: Only a few algorithms for predicting the site of origin of focal atrial tachycardia ... were collected during tachycardia and sinus rhythm in 61 patients who received successful ...