I-gel saves the day: Bradycardia and apnea in a patient undergoing burr hole and evacuation for a subdural hematoma under scalp block 1. May 2015 sam Anaesthesia (0) Singh RB, Rizvi MM, Rasheed MA, Sarkar A. Anesth Essays Res. 2015 May-Aug;9(2):244-6 Report of a 32-year-old male who became bradychardic and apneic. An i-gel was inserted and the case was managed 'very well'. Link to abstract