I think the most important defferntiate

How to deffrentiate diffrent types of WPW in ECG

Type A …R wave dominant in v1 , positive delta wave in precordial leads

Type B …R wave in v1 not dominant ,neagative delta wave in v1v2

I think the most important defferntiate is

Wide and narrow qrs b/c the ttt was deffetent

in WPW syndrome type A:

delta waves will be positive in all chest leads with expecting left accessory pathway

Type B WPW:

Delta wave will be negative deflection with Prominant R wave in V1 giving appearance of RBBb expecting Right Acessory pathway Osama Nawar

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According to type of left bundle branch block anterior or posterior hemiblock?