All patients were monitored for peripheral oxygen saturation, heart rate (HR), respiratory rate, and RSS during the procedure. Oxygen (2L/min) by nasal cannula was given to all patients during the procedure. Hypoxia (peripheral oxygen saturation <90% during 60 seconds), apnea, laryngospasm, tachycardia (defined as 30% more than the average heart rate by age), bradycardia (30% less than the average heart rate by age), increase in oral secretions (more than enough to warrant aspiration), flushing, coughing and vomiting were assessed as complications and recorded.