ECG bundle branch block

Left bundle branch block (LBBB)

WiLLiaM

V1 = W QRS pattern
V6 = M QRS pattern

QRS >0.12s

V1 – QS / V6 – rSR

 

Right bundle branch block (RBBB)

MaRRoW

V1 = M QRS pattern
V6 = W QRS pattern
QRS >0.12s

V1 – rSR (dominant R wave) / V6 – delayed S

Advertisements

%d bloggers like this: