<prompt> A 5 year old boy suffering from Duchenne muscular dystrophy has to undergo tendon lengthening procedure. The most approp-riate anaesthetic would be:Induction with intravenous thiopentone and N20; and halothane for maintenanceInduction with intravenous suxamethonim and N20; and oxygen for maintenanceInduction with intravenous suxamethonium and N20; and halothane for maintenanceInhalation induction with inhalation halothane and N20; oxygen for maintenance  <response>: A i.e. Induction with intravenous thiopentone and N20; and halothane for maintenance In this boy with duchene muscular dystrophy, there is high risk of malignant hypehermia. The earliest signs of malignant hypehermia are masseter muscle rigidity MMR, tachycardia, and hypercarbia due to increased CO2 production. 