II. Definitions
- Truncus Arteriosus
- Cyanotic Congenital Heart Disease associated with Congestive Heart Failure
- Aorta and pulmonary artery arise as a single vessel
- Accompanied by a large Ventricular Septal Defect (VSD)
III. Risk Factors
IV. Signs
-
Cyanosis at birth
- Cyanosis may be delayed if pulmonary vascular resistance remains increased
-
Congestive Heart Failure
- Onset by the second week of life (related to increased pulmonary Blood Flow)
V. Associated Conditions
- Large Ventricular Septal Defect (VSD)
- Uniformly present
- Truncal valve stenosis
- Truncal valve regurgitation
- Right aortic arch
- Aortic Coarctation
- Interrupted aortic arch
- Pulmonary stenosis
- Inconsistent Coronary Artery Anatomy
VI. References
- Fujii and Lock in Cloherty (1991) Manual Neonatal Care, Little Brown, Boston, p. 262-3