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67274 Medicine

A previously healthy 65-year-old woman is brought to the emergency department because of acute stroke. Examination shows acute bilateral lower extremity deep vein thrombosis. Injection of agitated saline contrast during echocardiogram shows the presence of bubbles crossing into the left atrium. The presence of which of the following is most likely to explain her symptoms?

ABiscupid aortic valve
BPatent foramen ovale
CTetra logy of Fallot
DTransposition of the great vessels
Medicine
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