He required vasopressor assistance with norepinephrine infusion (peak dose of 30 μg/min) for the very first five times of his admission. He remained comatose with no sedation, with absent brainstem reflexes, prompting discussions around the prognosis of brain Dying. A four-vessel cerebral angiogram was carried out on working day three. https://geoffreyc765ouz8.wikicommunication.com/user