A patient undergoing continuous hemodynamic monitoring has a pulmonary artery catheter. Which parameter best estimates left ventricular end-diastolic pressure?
Answer and explanation
Correct answer: D. Pulmonary artery wedge pressure
Answer: Pulmonary artery wedge pressure.
Why not the others: Central venous pressure reflects right ventricular preload rather than left ventricular filling; Systemic vascular resistance represents left ventricular afterload; Pulmonary artery mean pressure reflects pulmonary vascular resistance rather than left ventricular end-diastolic pressure.
Why not the others: Central venous pressure reflects right ventricular preload rather than left ventricular filling; Systemic vascular resistance represents left ventricular afterload; Pulmonary artery mean pressure reflects pulmonary vascular resistance rather than left ventricular end-diastolic pressure.
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