<prompt> Which one of the following anaesthetic agents does not trigger malignant hypehermia ?HalothaneIsotluraneSuxamethoniumThiopentone  <response>: Ans. is d i.e., Thiopentone Drugs causing Malignant hypehermia Succinylcholine Enflurane Methoxyflurane Phenothiazines Halothane Sevoflurane MAO inhibitors Lignocaine Isoflurane Destlurane TCA o Succinylcholine is the most common cause of MH. o Amongst anaesthetics, halothane is most common cause. o Combination of Sch and Halothane has a much higher incidence. 