Ventricular Septal Defect (VSD) – Types | Pediatric Oncall
Last Updated : 1/12/2010
N C Joshi
- Supracristal
- Membranous
- Posterior
- Muscular

Figure 1: Anatomical locations of various ventricular septal defects, viewed with the right ventricular free wall removed
A= perimembranous inlet (" AV canal - type") VSD
B= Perimembranous trabecular (typical membranous) VSD
C= Perimembranous infundibular ("tetralogy-type") VSD
D= Inlet muscular VSD
E= Trabecular muscular VSD
F= Infundibular (or outlet) muscular VSD
G= Subarterial infundibular ("supracristal") VSD
Black area represents the membranous ventricular septum

Contributor Information and Disclosures

N C Joshi
Consultant Pediatrician, Nanavati Hospital, Mumbai, India

First Created : 1/8/2001
Last Updated : 1/12/2010


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