This color Doppler ultrasound video clip of the normal fetal heart, shows the flow across the foramen ovale, from the right atrium to the left atrium (seen in red). RA= right atrium, LA= left atrium, LV= left ventricle, RV= right ventricle. This was a normal 3rd trimester fetus.
Another video clip of the normal mobility of the fetal foramen ovale valve (see below). The arrow heads point to the foramen ovale valve.
For more images and material on normal fetal heart, and cardiac anomalies visit:
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