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  1. Understanding Bundle Branch Blocks - MedicTests

    You can distinguish between Left Bundle Branch Block and Right Bundle Branch Block simply by looking at the QRS morphology in V1 and V6. If the QRS looks like W in V1 and M in V6 it is LBBB.

  2. Left Bundle Branch Block (LBBB) • LITFL • ECG Library Diagnosis

    Oct 8, 2024 · In normal cardiac conduction, impulses travel equally down the left and right bundles, with the septum activated from left to right and the formation of small Q waves in lateral leads.

  3. RBBB vs. LBBB: Key ECG Differences - Nurse Cram

    Jan 14, 2025 · Understand the key ECG differences between Right Bundle Branch Block and Left Bundle Branch Block and their clinical significance.

  4. Bundle Branch Block | LBBB | RBBB | Geeky Medics

    Jul 23, 2022 · An overview of left and right bundle branch block (BBB) including pathophysiology and how to identify BBC on an ECG using WiLliaM and MarRoW.

  5. Differences Between Left And Right Bundle Branch Block

    Aug 14, 2025 · Bundle branch blocks occur when the normal electrical signals travelling through the heart’s ventricles are interrupted. "In LBBB, the activation of the left ventricle is delayed compared to …

  6. RBBB vs LBBB: ECG Differences, Causes & Clinical Guide

    Mar 31, 2025 · When trying to tell the difference between a right bundle branch block (RBBB) and a left bundle branch block (LBBB), you’ll want to focus on the precordial leads (V1-V6) on an EKG. RBBB: …

  7. Left Bundle Branch Block vs RBBB: Key Differences

    One key difference is the location of the blockage. RBBB affects the right bundle branch, which supplies the right ventricle, while LBBB affects the left bundle branch, which supplies the left ventricle. …

  8. Bundle Branch Blocks - Core EM

    Jun 20, 2018 · Anatomy: At the AV node, conduction splits into the right and left bundle branches. The left bundle branch is composed of anterior and posterior branches. Right Bundle Branch Block …

  9. Bundle Branch Block: What to Know - WebMD

    Jun 19, 2025 · Impulses, or electrical signals, travel through both the left and right chambers of your heart to make it pump. But if the pathway is blocked, the impulses may move slower than normal or...

  10. LBBB vs RBBB: A Comprehensive Guide to Bundle Branch Block

    Jan 4, 2025 · Distinguishing between Left Bundle Branch Block (LBBB) and Right Bundle Branch Block (RBBB) is crucial for proper diagnosis and treatment. This article will delve into the key differences …