Canadian Medical Guide > Diseases > Cardiovascular Diseases > Cardiovascular Abnormalities > Heart Defects, Congenital > Heart Septal Defects Terms and Definitions

Heart Septal Defects

Medical Definition:	Defects in the cardiac septa, resulting in abnormal communications between the opposite chambers of the heart.
Guide Notes:	GEN or unspecified; prefer specifics; do not use /congen & do not coord with INFANT, NEWBORN, DISEASES

Heart Septal Defects Categories.

	Aortopulmonary Septal Defect - A congenital anomaly in which there is abnormal communication between the ascending aorta and pulmonary artery just above the semilunar valves.
	Endocardial Cushion Defects - A spectrum of septal defects associated with persistence of the embryonic atrioventricular canal due to incomplete growth and fusion of the endocardial cushion.
	Heart Septal Defects, Atrial - Defects in the septum between the atria of the heart, due to failure of fusion between either the septum secundum or the septum primum and the endocardial cushions.
	Heart Septal Defects, Ventricular - Congenital defects in the septum between the cardiac ventricles, most often due to failure of the bulbar septum to completely close the interventricular foramen.

Heart Septal Defects Medical Definitions and Terms

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