Certified Emergency Nurse (CEN) Practice Test 2025 - Free CEN Practice Questions and Study Guide

A circumflex myocardial infarction often affects the blood supply to the lateral wall of the left ventricle, which can compromise the heart's pumping ability. A common complication arising from this situation is cardiogenic shock. This condition occurs when the heart is unable to pump sufficient blood to meet the body's needs due to inadequate myocardial perfusion. In the context of a circumflex MI, the compromised cardiac function can lead to a significant drop in cardiac output, ultimately resulting in symptoms associated with shock, such as hypotension, altered mental status, and peripheral cyanosis.

While cardiac arrest, ventricular tachycardia, and pulmonary embolism are serious conditions that can occur in various cardiac contexts, cardiogenic shock specifically is a direct consequence of the heart's inability to function normally after damage from a circumflex infarction. It is crucial for emergency nurses to recognize the signs and symptoms of cardiogenic shock, as timely intervention can improve outcomes.