“…12 SAMJ Diabetic hyperglycaemic crisis is a major reason for high-care unit admissions, 1 with mortality rates of up to 30%. [2][3][4][5][6][7][8][9] It is characteristically classified as ketoacidotic or hyperosmolar. 10 Presentations with the combination of ketoacidosis and hyperosmolality are recognised, 6,7,[11][12][13][14][15][16] and have variably been described as ketoacidosis with hyperosmolality or hyperosmolar state with ketoacidosis, depending on whether ketoacidosis or hyperosmolality was considered dominant.…”