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 ...

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 ...

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 ...

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.

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.