If the QRS complex is widened and downwardly deflected in lead V1, a left bundle branch block is present. If the QRS complex is widened and upwardly deflected in lead V1, a right bundle branch ...

The left main coronary artery arises from the left coronary cusp and bifurcates into the left anterior descending (LAD) and the left circumflex coronary arteries. Since the left main supplies a ...

(RTTNews) - Abbott (ABT) announced the successful completion of the world's first in-human leadless left bundle branch area pacing procedures using the company's investigational AVEIR Conduction ...

Predictors for pacemaker requirement by multivariate analysis were left bundle branch block and aortic valve replacement (P < 0.001). Late follow-up was available in 58 patients, at 72 ± 32 months.