Pulmonary Embolism USMLE Step 1 Practice Question
A 60-year-old man with known PE on anticoagulation presents 3 months later with progressive exertional dyspnea despite therapeutic anticoagulation. Echocardiography shows a right ventricular systolic pressure of 65 mmHg. Repeat CT angiography shows organized thrombus adherent to the pulmonary artery walls. Which of the following is the most likely diagnosis?
Answer choices
- APulmonary veno-occlusive disease
- BRecurrent acute pulmonary embolism
- CPrimary pulmonary arterial hypertension
- DRight-sided heart failure from ischemic cardiomyopathy
- EChronic thromboembolic pulmonary hypertensionCorrect answer
- FAcute exacerbation of chronic obstructive pulmonary disease with cor pulmonale
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