A 33-year-old woman comes to the office due to progressive shortness of breath. She cannot walk more than 5 blocks on level ground till she feels fatigue and dyspnea. The patient has no family history of heart disease. As part of her evaluation, she undergoes right and left heart catheterization. The following data are obtained: Which of the following is the most likely cause of this patient's symptoms?

Question

Quizplus · Accepted Answer

Eductional Objective: Mitral stenosis leads to an increase in the LA pressure that is reflected as elevated pulmonary capillary wedge pressure PCWP during pulmonary artery catheterization. Left ventricular filling may be normal, resulting in an increased pressure gradient between the LA and LV during diastole

A 33-Year-Old Woman Comes to the Office Due to Progressive