A. Induction with intravenous thiopentone and N20; and halothane for maintenance.
B. Induction with intravenous suxamethonim and N20; and oxygen for maintenance.
C. Induction with intravenous suxamethonium and N20; and halothane for maintenance.
D. Inhalation induction with inhalation halothane and N20; oxygen for maintenance.
Induction with intravenous thiopentone and N20; and halothane for maintenance.
In this boy with duchene muscular dystrophy, there is high risk of malignant hyperthermia. The earliest signs of malignant hyperthermia are masseter muscle rigidity (MMR), tachycardia, and hypercarbia due to increased CO2 production.