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 ...

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 ...

Atrial fibrillation with an uncontrolled ventricular response Intermittent right bundle branch block - rate dependent This ECG shows atrial fibrillation with an uncontrolled ventricular rate. There ...

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 ...

Global LV systolic function was accessed by fractional shortening, ejection fraction, and cardiac output. Regional LV wall motion was assessed based on motion and thickening of individual LV wall ...

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 ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. DEAR DR. ROACH: I am a 63-year-old male who, during a routine EKG, showed a ...

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 ...

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 ...

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 ...