Congenital Heart Disease USMLE Step 1 Practice Question
A 33 year old woman develops sudden right arm weakness after a long flight. Venous duplex ultrasound shows a calf deep venous thrombosis. Brain imaging confirms a small ischemic infarct. Echocardiography with bubble study shows transient right to left flow across the atrial septum during a Valsalva maneuver. Which of the following is the most likely diagnosis?
Answer choices
- ATricuspid atresia
- BPatent foramen ovaleCorrect answer
- CSecundum atrial septal defect
- DEndocardial cushion defect
- EPersistent truncus arteriosus
- FEisenmenger syndrome
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