A 24-year-old man with type 1 diabetes presents with abdominal pain, vomiting and drowsiness. His blood glucose is 26 mmol/L, ketones 5.5 mmol/L, venous pH 7.15, bicarbonate 10 mmol/L. What is the most appropriate initial management step?AStart fixed-rate intravenous insulin infusion with fluid resuscitation and potassium monitoringBGive subcutaneous rapid-acting insulin onlyCStart intravenous 50% dextroseDCommence long-acting insulin onlyETreat with oral hypoglycaemic agentsCheck my answer