A left superior vena cava (LSVC) at the border of left atrium and "J shape" in the transverse view of aorta emptying to right atrium.
Video 1, 2:
Three-vessel view showing 4 vessels: right superior vena cava, aorta, pulmonary artery and left superior vena cava.
Video 3, 4:
4 chamber view, slightly posterior, we can see dilated coronary sinus, and aortic arch seems to be normal.
Video 5: J shape of left superior vena cava at the inlet of right atrium .
Case report 2:
This is a case of 30-year-old patient, G2P1, 29 weeks of gestation.
Image 4: Four-chamber view
Image 5: Three-vessel view
Image 6: Dilated coronary sinus