Fenestrated Interatrail Septum “Swiss Cheese-like Atrial Septal Defect”
A 29-year-old man presented with only atypical chest pain during exercise. Physical examination revealed a fixed splitting of S2. Echocardiography showed atrioventricular and ventriculoarterial concordance, normal left ventricular size and function, moderately dilated right atrium and ventricle, and the Qp/QS of about 1.8.
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