Q: I recently had an electrocardiogram as part of a routine physical exam. The report said I had a bundle branch block. What does that mean? Will I need a pacemaker? A: Bundle branch blocks are ...

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 ...

Atrial fibrillation with an uncontrolled ventricular response Left bundle branch block Premature ventricular contractions At times it can be difficult to distinguish "SVT with aberrancy" from ...

A left bundle branch block occurs when electrical conduction is unable to course through the left bundle and instead travels down the right bundle. The electrical impulse then reaches the left ...

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 ...

SAN FRANCISCO, CA—Conduction abnormalities like complete heart block (CHB) and left bundle branch block (LBBB) remain common in today’s TAVI patients, with some facing pacemaker implantation or even ...

A specialist tells how to interpret subtle changes on the ECG, including those caused by two life-threatening syndromes you might otherwise miss. Reading ECGs is like learning to appreciate art—it is ...

A team of scientists from New York University Langone Medical Center, USA, has revealed that the clinical severity of hospitalized patients with coronavirus disease 2019 (COVID-19) can be predicted by ...