A 59-year-old non-diabetic man presented to a diabetologist after a year-long issue of recurrent hypoglycemia. The number of episodes had progressively increased in frequency over the last year. His blood sugar levels sometimes dropped to 2.1 mg/dL. However, the patient remained conscious. He was a non-smoker and did not drink.
He had an unremarkable medical history and family history. No neuroglycopenic symptoms like mood swings, behavioral changes, visual disturbances, or confusion were reported. The patient did not have any sympathoadrenergic symptoms like tremors, palpitations, and diaphoresis either. No cause of hypoglycemia could be found; however, the patient believed that the episodes were more likely to follow after taking a cup of coffee. Physical examination was normal except for: BMI: 30 kg/m² BP: 140/80 mm Hg Fasting hypoglycemia reports: Blood sugar: 2.5 mg/dL Serum…
