Question: A patient underwent hip replacement surgery 12 hours ago. He now has a BP of 70/40. On exam, he is confused, his skin is cool, jugular veins are flat, and heart sounds and breath sounds are unchanged from baseline. Urine output over the past 12 hours is 100mL. What is the most likely diagnosis for this patient? Question Answer a. Hypovolemic shock b. Distributive shock c. Cardiogenic shock d. Neurogenic shock