<prompt> Induction agent of choice in a child with cyanotic hea disease ?ThiopentoneKetamineHalothaneMidazolam  <response>: Ans. is b i.e., Ketamine In cyanotic hea disease right to left shunt, systemic vascular resistance should be increased by anaesthetics -- ketamine is the anaesthetic of choice. In acyanotic hea disease left to right shunt, systemic vascular resistance should be decreased -- volatile anaesthetics isoflurane, sevoflurane or desflurane should be used 