Comparison of Intubating Conditions at 60 Seconds with Cisatracurium 4*ED95 Dose and Cisatracurium 2*ED95 Dose Plus Priming Dose and Low Dose Ketamine.

Introduction: To compare the intubating conditions at 60 seconds between 4*ED95 dose of cisatracurium and 2*ED95 dose of cisatracurium in combination with priming and low dose ketamine.

Primary Objective: jaw relaxation for laryngoscopy, vocal cord position on laryngoscopy, and coughing or bucking response to intubation.

Secondary Objective: To compare the hemodynamic changes up 10 minutes after intubation in the two groups.