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Venovenous (VV) ECMO for isolated respiratory failure

Venovenous (VV) ECMO for isolated respiratory failure
Diagram of venovenous ECMO for respiratory failure. For VV access, blood is withdrawn from the IVC, circulated through the artificial membrane, and returned via the SVC to the RA.
ECMO: extracorporeal membrane oxygenation; AO: aorta; PV: pulmonary vein; PA: pulmonary artery; LA: left atrium; LV: left ventricle; RA: right atrium; RV: right ventricle; CO2: carbon dioxide; O2: oxygen; VV: venovenous; IVC: inferior vena cava; SVC: superior vena cava.
Revised and updated from: Bartlett RH, Gattinoni L. Current status of extracorporeal life support (ECMO) for cardiopulmonary failure. Minerva Anestesiol 2010; 76:534.
Graphic 56622 Version 6.0