Type A (conical) Prominent aortic ampulla with narrowing at pulmonary artery end |
Type B (window) Short and wide ductus with blending of pulmonary artery |
Type C (tubular) Long tubular ductus with no constriction |
Type D (complex) Multiple constrictions with complex ductus |
Type E (elongated) Elongated ductus with remote constriction |