Bradford Bergman, MD

A 77-year-old woman is brought for evaluation by her family. The patient had previously been alert and active; however, for the past week, she has been difficult to arouse and, when awake, has been delusional and has behaved abnormally. In addition, for the past 2 weeks, she has complained of abdominal discomfort related to constipation.

A 75-year-old man is brought to the emergency department (ED) after awakening in the night very confused and disoriented. His wife had called 911; when the paramedics arrived, they found his blood glucose level to be 36 mg/dL.