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 ...

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

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 ...

Dear Dr. Roach: I’m a female, age 70, who is 5 feet, 4 inches tall and weighs 125 pounds. I have no problems with cholesterol, diabetes or blood pressure. I do not take any medications, just vitamins.

Please provide your email address to receive an email when new articles are posted on . Many patients implanted with a repositionable bioprosthesis during transcatheter aortic valve replacement ...

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 ...