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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 …

  2. Bundle Branch Block: Causes, Symptoms & Treatment

    May 5, 2022 · 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 …

  3. 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.

  4. Bundle branch block: Overview, Risk Factors, Warning Signs, and ...

    Jan 8, 2026 · Learn what bundle branch block means, what causes it, and how it's diagnosed and managed—plus when symptoms like fainting or fatigue need urgent care.

  5. What Causes a Bundle Branch Block? - AEANET

    4 days ago · What Causes a Bundle Branch Block? Unveiling the Heart’s Electrical Hiccup A bundle branch block (BBB) occurs when the electrical impulses that coordinate heart …

  6. 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.

  7. What is the pathophysiology and management of bundle branch block

    3 days ago · Bundle branch block occurs when electrical impulses are interrupted or delayed in the specialized conduction pathways of the ventricles, forcing activation t...

  8. Bundle Branch Block - Heart and Blood Vessel Disorders - Merck …

    Bundle branch block is a type of conduction block involving partial or complete interruption of the flow of electrical impulses through the right or left bundle branches.

  9. Bundle Branch Block | Fact Sheets | Yale Medicine

    In an individual with a bundle branch block, the fibers within the left or right bundle branch become damaged, affecting the ability of the electrical impulses to travel along both branches …

  10. 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 …