AAERT Certified Deposition Reporter Practice Exam

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A patient with severe aortic stenosis becomes hypotensive after induction. Which hemodynamic goal is most important to preserve coronary perfusion?

Maintain adequate diastolic arterial pressure Reduce systemic vascular resistance Increase heart rate above 110/min Decrease preload to limit ventricular work

Correct Answer:

Maintain adequate diastolic arterial pressure

Explanation:

Severe aortic stenosis creates a fixed left ventricular outflow obstruction. Coronary perfusion depends heavily on adequate aortic diastolic pressure, so maintaining systemic vascular resistance and diastolic pressure is a key goal while avoiding marked tachycardia or hypovolemia.

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