Suspected Malignant Hyperthermia in a Strabismus Patient

\s=b\Malignant hyperthermia is an autoso-mal dominant disorder with variable expressivity that is caused by a mem-brane defect in the sarcolemma of myofi-brils. A patient with strabismus (eso-tropia) had tachycardia and masseter muscle rigidity on exposure to succinyl-choline chloride and halothane, but because of rapid recognition of the condi-tion and discontinuation of the procedure, the potentially lethal complications of malignant hyperthermia did not develop. A serum creatine phosphokinase level showed a substantial increase above normal. Two weeks later, the patien