Which of the following statements about double-outlet right ventricle are true?
A. A VSD is usually present.
B. In the Taussig-Bing type of double-outlet right ventricle, the VSD is usually noncommitted.
C. Patients with double-outlet right ventricle and a subaortic VSD usually have pulmonary stenosis.
D. Patients with double-outlet right ventricle with a subpulmonary VSD (Taussig-Bing malformation) tend to mimic patients with transposition of the great arteries and VSD in their presentation and natural history.
Answer:A
Which of the following statements about double-outlet right ventricle are true?
A. A VSD is usually present. B. In the Taussig-Bing type of double-outlet right ventricle, the VSD is usually noncommitted. C. Patients with double-outlet right ventricle and a subaortic VSD usually have pulmonary stenosis. D. Patients with double-outlet right ventricle with a subpulmonary VSD (Taussig-Bing malformation) tend to mimic patients with transposition of the great arteries and VSD in their presentation and natural history.