Ventricular septal defects - isolated

Case contributed by Brendan Cullinane

Presentation

Case A: 18 year-old gravid female at 19 weeks as per dating ultrasound. Large VSD. Case B: 19 year-old gravid female at 18 weeks and 6 days as per the ultrasound done for Nuchal translucency. Screening for congenital abnormalities unremarkable. NT = 1.8 mm. Small VSD.

Patient Data

Gender: Female

Case A

ultrasound

Case A: large VSD

B-mode image on the left showing a large defect within the membranous portion of the ventricular septum. The color Doppler image on the right shows blood flow through the defect from right to left ventricle.

Case B

ultrasound

Case B: small VSD

B-mode image on the right showing a small defect within the membranous portion of the ventricular septum. The color Doppler image on the left shows blood flow through the defect from right to left ventricle.

Case Discussion

Two case studies of isolated ventricular septal defects within the membranous portion of the septum. One large defect and one small.

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