Vascular Disease USMLE Step 1 Practice Question
A 3-year-old boy presents with 6 days of high fever (39.8°C), bilateral conjunctival injection, strawberry tongue, cracked lips, and cervical lymphadenopathy. On examination, he has edema of hands and feet with erythematous rash on trunk. Vital signs show tachycardia (HR 128/min), tachypnea (RR 26/min), and BP 105/68 mmHg. Echocardiography reveals coronary artery dilation. No oral ulcers are noted. He takes no chronic medications. Which complication requires closest monitoring?
Answer choices
- ACoronary artery aneurysmCorrect answer
- BThoracic aortic dissection
- CBerry aneurysm
- DTemporal artery occlusion
- EPulmonary artery embolism
- FMyocardial infarction from coronary artery thrombosis
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