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 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.

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 ...

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 ...

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 ...

Q-I`m a 27-year-old female in good health. However a recent EKG turned up a ”bundle branch blockage.” The doctor says it is an interruption in the heart`s electromagnetic field. What else can you tell ...

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 ...

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 ...

Dr. Keith Roach writes a medical question-and-answer column weekdays. Dear Dr. Roach: My 35-year-old son recently complained of some chest pain. He went to his doctor, and it was determined that he ...