Essential features of brain death A No gag reflex B No respiration when PCO2 exceeds 7 KPa C Flat ECG D Absence of spinal reflex E Dollâs eye test negative Essential features of brain death Correct Answer No gag reflex, No respiration when PCO2 exceeds 7 KPa Bissoy MCQ Team Aug 26, 2023 MS Residency Neuro-surgery Brain death