You are caring for a patient in cardiogenic shock who has a multilumen pulmonary artery catheter in place. What cardiac output (CO) and pulmonary capillary wedge pressure (PCWP) would you see if the patient were unstable?
1) CO 5 L/min, PCWP low
2) CO 4 L/min, PCWP high
3) CO 3 L/min, PCWP high
4) CO 2 L/min, PCWP low