Alternating RBBB with Left anterior hemiblock is seen in
Ans. is 'd' i.e., Bi-fascicular block Bifascicular block - combination of RBBB with either left anterior hemiblock or left posterior hemiblock. Tri fascicular block - RBBB plus either LAHB/LPHB+ first degree AV block. Complete hea block destruction of - AV node leading to AV dissociation
1' degree hea block
Complete hea block
Mobitz type II block
Bi-fascicular block