Critical Care Nursing Review (CCRN Topics) –

2025–2026 Focus: Hemodynamics,

ventilator management, ICU interventions,

and prioritization in complex patient care.

1. A patient's pulmonary artery catheter reading shows: RA=10 mm Hg, PA systolic=45 mm Hg,

PA diastolic=25 mm Hg, PCWP=26 mm Hg, CO=2.8 L/min. What is the most likely cause?

A) Hypovolemia

B) Cardiac Tamponade

C) Left Ventricular Failure

D) Sepsis

2. Systemic Vascular Resistance (SVR) is calculated to be 2800...
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