Right Bundle Branch Block (RBBB)

Right Bundle Branch Block (RBBB)Created OnApril 19, 2020Last Updated OnApril 19, 2020byadmin You are here: Main ECG Right Bundle Branch Block (RBBB) < All Topics Table of Contents  A differentials of tall R wave in V1 In RBBB, activation of the right ventricle is delayed as depolarisation has to spread across the septum from the left ventricle Different in complete and incomplete RBBB depends on QRS duration. Incomplete RBBB had QRS<120ms while complete RBBB had broad QRS > 120 ms ECG findings: Broad QRS > 120 ms RSR’ pattern in V1-3 (‘M-shaped’ QRS complex) Wide, slurred S wave in the lateral leads (I, aVL, V5-6) ST depression and T wave inversion in the right precordial leads (V1-3) Sometimes rather than an RSR’ pattern in V1, there may be a broad monophasic R wave or a QR complex *We do not own this youtube video, it’s for sharing purpose

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