[Angiocardiographic anatomy of the outlet of the right ventricle in tetralogy of Fallot].

The angiocardiographic findings obtained from 85 patients with Fallot's tetrade are analyzed. In 35 patients the results are compared with anatomical data. The authors have identified four major types of the defect and the anatomical structures involved in the construction of the blood outflow passways into the pulmonary circulation in Fallot's tetrade.