Fiberoptic nasotracheal intubation consisted of a bolus dose of 2 microg/kg fentanyl ; 0.25 ml cocaine instillation , 10 % , into nasal canals ; cricothyroid injection of 2 ml lidocaine , 1 % ; bronchoscopy ; administration of 0.3 mg/kg etomidate ; and advancing a flexible silicone tube after loss of consciousness .
