Sinus venosus atrial septal defect

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Sinus venosus atrial septal defect
Schematic drawing of various types of atrial septal defect.png
ASD locations. (1: upper sinus venosus defect; 2: lower sinus venosus defect.)
Classification and external resources
Specialty medical genetics
ICD-10 Q21.1
ICD-9-CM 745.8

A sinus venosus atrial septal defect is a type of atrial septal defect primarily associated with the sinus venosus.

They represent 5% of atrial septal defects.[1]

They can occur near the superior vena cava or inferior vena cava, but the former are more common.[2]

They can be associated with anomalous pulmonary venous connection.[3]


  1. ^ Robbins and Cotran Pathologic Basis of Disease 8th Edition
  2. ^ "Yale: Congenital Heart Disease: Sinus Venosus ASD". Retrieved 2009-01-09. 
  3. ^ Attenhofer Jost CH, Connolly HM, Danielson GK, et al. (September 2005). "Sinus venosus atrial septal defect: long-term postoperative outcome for 115 patients". Circulation. 112 (13): 1953–8. doi:10.1161/CIRCULATIONAHA.104.493775. PMID 16172274.