Additional file 10 of Superior vena cava drainage improves upper body oxygenation during veno-arterial extracorporeal membrane oxygenation in sheep

Vena cava angiography in SVC-FA. The contrast medium was from the inferior vena cava. When the animals were supported with SVC-FA, the contrast medium entered the right atrium. SVC-FA: drainage cannula is in the superior vena cava and return cannula is in the femoral artery.