Causes of bundle branch block

RBBB :: NCC Recruit
LBBB :: CHACo

Think of a match...on right side we have NCC recruits and left we have our friendly neighbour CHACo...:-):-)

Normal variant
Coronary artery disease
Congenital heart disease
RVH

Coronary artery disease
Hypertension
Aortic valve disease
Cardiomyopathy