A 13 years old boy with type 1 diabetes mellitus (T1DM) with Kussmaul breathing, confused, agitated, and disoriented regarding time, place, and persons was presented. He was having malaise and polyuria for a month and epigastric pain for 2 days. He was diagnosed with T1DM at another hospital one year earlier and was under treatment with insulin, metformin, and glipizide. He had discontinued all medications since past six months.

Patient's maternal grandmother was diagnosed with type 2 diabetes mellitus at her age of 40 and her condition was controlled efficiently with oral hypoglycemic drugs. He had reported no family history of dyslipidemia. Anthropometric measurements showed weight of 43 kg, height 152 cm, body mass index (BMI) 18.61 kg/m2 body temperature of 38.5°C, pulse rate 128, respiratory rate 26/min with Kussmaul pattern, and blood pressure 156/102 mmHg lipemia retinals Patient…