The home health nurse is visiting a patient who was just discharged from the hospital yesterday for diabetic ketoacidosis. The patient has renal failure and diabetes and gets dialysis via his left dialysis shunt in the forearm. When the patient's spouse enters the room, she becomes upset immediately. What causes the spouse to be upset? Mark the area that is concerning to the spouse. Select your answer by clicking the desired location on the image below. To move a pin, click another location on the image. To remove a pin, click it once. (HOT-SPOT)