Truncus Arteriosus, Persistent

**Definition:** A congenital anomaly caused by the failed development of TRUNCUS ARTERIOSUS into separate AORTA and PULMONARY ARTERY. It is characterized by a single arterial trunk that forms the outlet for both HEART VENTRICLES and gives rise to the systemic, pulmonary, and coronary arteries. It is always accompanied by a ventricular septal defect.

**Tree numbers:** - C14.240.400.560.098.500 - C14.280.400.560.098.500 - C16.131.240.400.560.098.500

**Synonyms:** - Persistent Truncus Arteriosus - Truncus Arteriosus Communis