The charge nurse is supervising care for a group of patients monitored with a variety of invasive hemodynamic devices. Which patient should the charge nurse evaluate first?

A patient with a pulmonary artery occlusion pressure of 25 mm Hg and an oxygen saturation of 89% on 3 1 of oxygen via nasal cannula

A patient with a left radial arterial line with a BP of 140/86 mm Hg and slightly dampened arterial waveform

A patient with a central venous pressure (RAP/CVP) of 6 mm Hg and 25 ml of urine output in the past hour

A patient with a pulmonary artery pressure of 25/10 mm Hg oxygen saturation of 94% on 21 of oxygen via nasal cannula and a temp of 100.3