The Nurse Is Caring for a 100-Kg Patient Being Monitored

The nurse is caring for a 100-kg patient being monitored with a pulmonary artery catheter.The nurse assesses a blood pressure of 90/60 mm Hg,heart rate 110 beats/min,respirations 36/min,oxygen saturation of 89% on 3 L of oxygen via nasal cannula.Bilateral crackles are audible upon auscultation.Which hemodynamic value requires immediate action by the nurse?

A) Cardiac index (CI) of 1.2 L/min/m³
B) Cardiac output (CO) of 4 L/min
C) Pulmonary vascular resistance (PVR) of 80 dynes/sec/cm^-5
D) Systemic vascular resistance (SVR) of 1800 dynes/sec/cm^-5