Med Student: “How come we replete potassium and magnesium in otherwise healthy inpatients?” Resident: “Well, according to our elders, potassium and magnesium are critical to… something.” Chief Resident: “Yeah, we’ve got no idea. Now finish repleting everybody and go order daily labs on patients who are going home today.” Visible text: “MED STUDENT” / “RESIDENT” / “CHIEF RESIDENT” / “K>4 Mg>2 Send Them All Home!” / “TRUST THE PROTOCOL”