<prompt> Induction agent of choice in a child with cyanotic hea diseaseThiopentoneKetamineHalothaneMidazolam  <response>: In cyanotic hea disease right to left shunt, systemic vascular resistance should be increased by anaesthetics - ketamine is the anaesthetic of choiceIn acyanotic hea disease left to right shunt, systemic vascular resistance should be decreased - volatile anaesthetics isoflurane, sevoflurane or desflurane should be used.Refer: stoeltings pharmacology and physiology in anaesthetic practice, 5th edition, pg no.294 