Almost one-third of patients undergoing transcatheter aortic valve replacement (TAVR) with a balloon-expandable device develop new-onset left bundle branch block, although the condition resolves by ...

Global LV systolic function was accessed by fractional shortening, ejection fraction, and cardiac output. Regional LV wall motion was assessed based on motion and thickening of individual LV wall ...

The functions we perform are connected to each other and it is hard to determine the actual cause of problem in the first look. Tissues are connected to the heart in a certain way that creates ...

Please provide your email address to receive an email when new articles are posted on . Left bundle branch pacing was achieved for the first time via leadless pacemaker. Implantation failure rate was ...

Yogesh N. Reddy, MBBS: Hi. This is Yogesh Reddy, cardiology fellow at Mayo Clinic. Today we will be discussing the very common clinical scenario of a left bundle branch block (LBBB) on ...

In order for your heart to beat properly, your heart’s tissue conducts electrical impulses throughout your heart muscle in a regular pattern. This electrical impulse causes the upper chambers (atria) ...

DEAR DOCTOR K: I recently had an ECG that showed that I have a "left bundle branch block." What does this mean? DEAR READER: When your heart beats, it does so in response to electrical signals. Your ...

QRS duration greater than 120 milliseconds Absence of Q wave in leads I, V5 and V6 Monomorphic R wave in I, V5 and V6 ST and T wave displacement opposite to the major deflection of the QRS complex A ...