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  1. Bundle branch block - Symptoms & causes - Mayo Clinic

    Jun 11, 2022 · Bundle branch block is a condition in which there's a delay or blockage along the pathway that electrical impulses travel to make the heart beat. It sometimes makes it harder for the …

  2. Bundle Branch Block: What to Know - WebMD

    Jun 19, 2025 · If you have a bundle branch block, it may cause a glitch in the electrical impulses that make your heart beat.

  3. Bundle Branch Block - Heart and Blood Vessel Disorders ...

    Bundle branch block usually causes no symptoms. Right bundle branch block is not serious in itself and may occur in apparently healthy people. However, it may also indicate significant heart damage due …

  4. What Is a Bundle Branch Block and What Causes It?

    Aug 21, 2025 · A bundle branch block is a condition affecting the heart’s internal electrical wiring system. It represents an issue with the electrical signals that coordinate the heart’s pumping action, rather …

  5. Bundle Branch Block | Cardiology | Mercy Health

    What is bundle branch block? Bundle Branch Block (BBB) is a condition where there is a delay or blockage in the electrical pathways (bundle branches) that carry signals to the left or right side of the …

  6. Heart Conduction Disorders | American Heart Association

    Sep 24, 2024 · Normally, electrical impulses travel down the right and left bundle branches of the ventricles at the same speed. This allows both ventricles to contract at the same time. But when …

  7. Bundle Branch Block: Causes, Symptoms & Treatment

    What is a bundle branch block? A bundle branch block (BBB) is when something blocks or disrupts the electrical signal that causes your heart to beat. This block leads to an abnormal heart rhythm.

  8. Bundle branch block - Wikipedia

    A bundle branch block is a partial or complete interruption in the flow of electrical impulses in either of the bundle branches of the heart's electrical system.

  9. Bundle Branch Block - Cedars-Sinai

    A bundle branch block is either a complete or a partial interruption of the electrical pathways inside the wall of the heart between the two lower chambers (ventricles).

  10. Bundle Branch Blocks - My EKG

    Mar 17, 2025 · Bundle branch blocks are disorders of electrical conduction distal to the bifurcation of the His bundle, causing changes in the depolarization of the ventricles. This disturbance in ventricular …