Dicrotic notch is due to ?
dicrotic notch. : a secondary upstroke in the descending pa of a pulse tracing corresponding to the transient increase in aoic pressure upon closure of the aoic valve. -- called also dicrotic wave Ref Davidson 23rd edition pg 430
AV valve closure
Mitral valve closure
Pulmonary valve closure
Tricuspid valve closure
C.V.S