Chapter 17 - Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)»Congenital malformations of the circulatory system (Q20-Q28)»Aortopulmonary septal defect (Q21.4)
Q21.4
Aortopulmonary septal defect
Related indications (MeSH) (1)
A developmental abnormality in which the spiral (aortopulmonary) septum failed to completely divide the TRUNCUS ARTERIOSUS into ASCENDING AORTA and PULMONARY ARTERY. This abnormal communication between the two major vessels usually lies above their respective valves (AORTIC VALVE; PULMONARY VALVE).