Fig. 7

Malpositioned cannulas. Chest radiograph of a 54-year-old male status post MI on peripheral VA ECMO a demonstrates the tip of a superior approach venous ECMO cannula projecting too inferiorly over the IVC (thin arrow). A chest radiograph from a different patient b shows the tip of an inferior approach venous cannula projecting over the lower SVC, much higher than the expected location of the right atrium