Reverse splitting of 2nd hea sound heard in -
In LBBB, Left ventricular depolarisation is late than RV depolarisation, so A2 appeares late than P2. Causes of Reverse splitting : RV pacemaker WPW syndrome Eisen menkers syndrome AS LVF LBBB Ref : Harrison's 20th edition pg 1448
RBBB
LBBB
Tricuspid stenosis
AR
C.V.S