Pediatrics C.V.S 6fc5d2ce Differential cyanosis occurs in which disease A Severe caorctation B Inturrupted aoic arch C PPHN D All of the above High-Yield Explanation Blood flow to lower extremities decrease in PPHN,coarctation of aoa, interrupted aoic arch. Ref : Ghai essential of pediatrics, eighth edition, p.no:432