Fig. 1

Illustration (a) and radiograph (b) of femoroatrial VV ECMO demonstrate a right femoral drainage cannula and right atrial return cannula. Frontal radiographs show the expected locations of the right atrial return cannula (b, arrow) and right femoral drainage cannula (c, arrow). While the Murray score depends on several factors, this patient would receive a 4 for the chest radiograph element as there is four-quadrant infiltration