Diabetic ketoacidosis is a life-threatening endocrine disorder frequently treated by emergency physicians. However, ketoacidosis variations, such as euglycemic diabetic ketoacidosis and nondiabetic ketoacidosis, can produce diagnostic uncertainty and delay initiation of appropriate treatment. This case report examines a patient with an unusual presentation of severe hypoglycemic, nondiabetic ketoacidosis requiring insulin.
Johnson et al. (2026) studied this question.