A 54- year old female was brought to the Emergency Department with complaints of sweating, palpitations, and dizziness. Her random blood glucose is 25 mg/dl. After the infusion of glucose, the symptoms were relieved. Upon clinical chemistry analysis, her plasma insulin level was higher with a low level of C-peptide. What is the diagnosis for this patient? Provisional Diagnosis : Hypoglycemia , due to hyperinsulinemia Answer and Explanation: First, the case presentation suggests that the female subject may have been suffering from hypoglycemia based on a classical feature of Whipple Triad which includes : a) the decreased blood glucose level below normal reference level ( 60-110 mg/dL), b) the subject is also presented with classical symptoms of hypoglycemia such as sweating, palpitation, and dizziness. c) the symptoms were immediately relieved with the infusion of glucose. Second, the blood chemistry analysis revealed the insulin level in the subject wa...