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What is WPW syndrome is caused by - and explain in detail?
Ans. is 'b' i.e., Right sided accessory pathwayAnatomy (Location of Accessory pathway) in W.P.W. syndromeo Electrophysiological studies and mapping have shown that accessory. Atrioventricular pathways may be located anywhere along the A-V rign or groove in the septum.o The most frequent locations are:-# Left lateral (50%), posteroseptal (30%) right anteroseptal (10%).# Right lateral (10%).o Preexcitation resulting from left sided accessory is called type A preexcitation.o Preexcitation resulting from right sided accessory pathway is called type B preexcitation.