He demanded vasopressor assistance with norepinephrine infusion (peak dose of 30 μg/min) for the first 5 days of his admission. He remained comatose without having sedation, with absent brainstem reflexes, prompting discussions round the prognosis of brain death. A 4-vessel cerebral angiogram was done on working day three. This showed https://haimb814qwc5.wikicommunication.com/user