Asthma USMLE Step 1 Practice Question
A 31-year-old woman in active labor develops sudden severe dyspnea, hypotension (BP 88/52), tachycardia (HR 128), and altered mental status. Vital signs show tachypnea (RR 32) and hypoxemia (SpO2 88%). She has diffuse bleeding from venipuncture sites and oozing from the vaginal vault. Laboratory studies reveal prolonged PT/PTT, thrombocytopenia (62,000/μL), and elevated D-dimer. She denies prior anticoagulation use. Which diagnosis best explains this clinical presentation?
Answer choices
- APulmonary thromboembolism
- BEclampsia
- CPeripartum cardiomyopathy
- DAspiration of gastric contents
- EAmniotic fluid embolismCorrect answer
- FAcute promyelocytic leukemia
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