Key Concepts
Overview
Cardiogenic shock occurs when the heart fails to generate adequate cardiac output to perfuse vital organs despite adequate preload โ mortality remains 40โ60% despite advances in reperfusion and mechanical circulatory support. Unlike distributive or hypovolemic shock, cardiogenic shock features elevated filling pressures (wet) with reduced output (cold). The classic bedside picture is a patient with cool, mottled extremities, diaphoresis, hypotension (SBP < 90 mmHg), and pulmonary congestion. NCLEX-RN priorities: differentiating cardiogenic from other shock types using hemodynamic data, recognizing end-organ failure signs early, and knowing which interventions stabilize versus worsen the failing heart. On the exam, writers often pair stable-sounding options with unstable dataโnotice the mismatch before you commit. If the stem names a license or role, reread that line; scope errors are classic trap answers even when the clinical topic is familiar. Run a 60-second scan: breathing work and oxygenation, perfusion and end organs, neuro baseline, likely infection sources, and devices that can fail quietly. When two answers feel partly right, pick the one that reduces imminent harm and matches orders for the role you were given. Train yourself...