INS and Hyperglycemia: A 1993 study by Masson et al. of 25 human organ donors after brain death (DBD; defined as apnoeic coma with absence of brain‐stem reflexes), showed that hyperglycaemia, with elevated C‐peptide levels, was seen in 16 of these patients and that glucose levels could not be normalized with insulin in one‐third of the cohort.3