Congenital aortic paravalvular tunnel masquerading as a recurrent ventricular septal defect.

A 4-year-old female underwent surgical repair of an unusual variation of an aorto-left ventricular tunnel (ALVT). Serial echocardiograms had demonstrated previous spontaneous closure of a perimembranous ventricular septal defect (VSD). The patient presented with concern for residual VSD which was later demonstrated to be an eccentric jet through an ALVT. This case emphasizes early and accurate diagnosis for ALVTs and how they can be misdiagnosed as VSDs.
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