It’s a chaotic Wednesday evening in the emergency department. You have just finished evaluating a patient with a sprained ankle when the charge nurse flags you down.

“Doctor, EMS just brought in a 72-year-old male, Robert. He’s extremely agitated and confused. His wife says he hasn’t been eating much for the past few days because of a stomach bug--she says ‘everything he ate just went right through him’--but he kept taking his diabetes medications.”