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 ...

Please provide your email address to receive an email when new articles are posted on . Left and right bundle branch blocks are associated with increased rates of pacemaker implantation after ...

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 of > 120 milliseconds rsR' "bunny ear" pattern in precordial leads Slurred S waves in leads I, V5, and V6. Remember that T wave inversions and ST segment depression is normal in leads V1 ...

Left bundle branch block (LBBB) is a type heart block. It results from a problem with the electrical conduction system that enables the heart to beat. It may cause no symptoms, but an ...

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 ...

Dear Dr. Roach: I am a 63-year-old male who, during a routine EKG, showed a left bundle branch block. Can you tell me anything about this diagnosis, what it means, any treatment, future concerns, etc.

QUEBEC, QC — A new study shows that patients who harbor preexisting right bundle branch block (RBBB) face a significantly higher risk of death 2 years after transcatheter aortic-valve replacement ...

Dear Dr. Donohue: You were asked about a right bundle branch block and you said: “Electric current still makes its way to the right ventricle. This doesn’t mean you are on the verge of dying.” A few ...

DEAR DR. DONOHUE You were asked about a right bundle branch block and you said "Electric current still makes its way to the right ventricle. This doesn't mean you are on the verge of dying." A few ...

Chang AM, Shofer FS, Tabas JA, Magid DJ, McCusker CM, Hollander JE What should we take away from this study? First, on the basis of the more frequent need for revascularization and the higher presence ...

LBBB is linked to electrical abnormalities, causing inefficient heart pumping, dilation, and systolic dysfunction. The study found LBBB associated with increased heart failure risk, surpassing other ...