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Articles » Cardiovascular » Situs anomalies » Left atrial isomerism

2007-02-05-14 Left isomerism © Witters www.thefetus.net/


Left isomerism 

Ingrid Witters, MD

Center for Human Genetics, University of Leuven, Leuven, Belgium

Address correspondence to Ingrid Witters, Center for Human Genetics, Herestraat 49, 3000 Leuven, Belgium

  

These are some of the videos we obtained showing left isomerism in a fetus. Prenatal ultrasound investigation revealed mild ventricular cardiac disproportion, right-sided stomach and vena azygos continuation. Postnatal course of the baby was normal and postnatal ultrasound  confirmed mild ventricular/arterial disproportion, azygos continuation to the right vena cava superior and a low right atrial junctional rhythm of 90 bpm.

Video 1 and 2. Continuation of vena azygos to right vena cava superior (left); and transverse four-chamber view of the heart (right).

 

 

Video 3 and 4. Slow rhythm of the fetal heart (left); and right-sided stomach (left).

   

Video 5. Three vessel view.

 

 

 

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