Pediatrics C.V.S. e9f2918e Reversal of shunt is not possible in natural history of? A ASD B VSD C TOF D PDA High-Yield Explanation c. TOF(Ref: Nelson's 20/e p 2211-2217, Ghai 8/e p 420-423)Reversal of shunt or Eisenmenger syndrome is seen in- VSD, ASD, AV canal defect, PDA.