Fig. 3From: Pulmonary complications associated with veno-arterial extra-corporeal membrane oxygenation: a comprehensive reviewVeno-veno-arterial ECMO. Oxygenated blood is propelled through both the femoral arterial cannula and the additional jugular cannula providing oxygenated blood directly into the right-heart chambers and consequently into the left atrium. This setting permits to wean progressively the arterial cannula in order to switch to veno-venous ECMOBack to article page