RT Book, Section A1 Cryer, Philip E. A1 Davis, Stephen N. A2 Jameson, J. Larry SR Print(0) ID 1141275881 T1 Hypoglycemia T2 Harrison's Endocrinology, 4e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259835728 LK accessbiomedicalscience.mhmedical.com/content.aspx?aid=1141275881 RD 2024/04/19 AB Hypoglycemia is most commonly caused by drugs used to treat diabetes mellitus or by exposure to other drugs, including alcohol. However, a number of other disorders, including critical organ failure, sepsis and inanition, hormone deficiencies, non-β-cell tumors, insulinoma, and prior gastric surgery, can cause hypoglycemia (Table 26-1). Hypoglycemia is most convincingly documented by Whipple’s triad: (1) symptoms consistent with hypoglycemia, (2) a low plasma glucose concentration measured with a precise method (not a glucose monitor), and (3) relief of symptoms after the plasma glucose level is raised. The lower limit of the fasting plasma glucose concentration is normally ∼70 mg/dL (∼3.9 mmol/L), but lower venous glucose levels occur normally, late after a meal, during pregnancy, and during prolonged fasting (>24 h). Hypoglycemia can cause serious morbidity; if severe and prolonged, it can be fatal. It should be considered in any patient with episodes of confusion, an altered level of consciousness, or a seizure.