During VV ECMO, where are cannulas typically placed? 1. Right internal jugular vein 2. Left femoral vein 3. Right atrium 4. Femoral artery

a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only

ANS: B
During VV support cannulas are usually placed in the right internal jugular vein, right atrium, left or right femoral veins. In VA support, the venous cannulas are placed in the same locations as with VV support with the arterial cannula inserted into the aorta or either femoral artery.