Tetralogy of Fallot With Restrictive Ventricular Septal Defect
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We present a case of tetralogy of Fallot with progressive restriction of the ventricular septal defect (VSD) by tricuspid valve tissue. The report includes echocardiographic and catheter images of this rare complication of tetralogy of Fallot. Restriction of the VSD in tetralogy of Fallot is associated with increased surgical-related mortality.
KeywordsTetralogy of Fallot Ventricular septal defect
Subcostal parasagittal echocardiogram demonstrating the mobile tricuspid valve tissue obstructing the VSD and turbulent flow within the RVOT. (MOV 802 kb)
Lateral projection of the right ventricular angiogram. A narrow jet of contrast passes across the VSD. The multilevel RVOT obstruction is also demonstrated. (MOV 762 kb)