A.
Check for recirculation. If present, refer to recirculation.
B.
Check cannula colors, verifying color change.
  • If deoxygenated, check oxygen supply.
  • If an issue is present, address immediately and refer to Gas Supply Interruption.
C.
Verify the membrane lung function.
  • If deoxygenated, check oxygen supply.
  • If membrane lung failure is present, refer to Gas Supply Interruption.
D.
Check the cannula positioning.
  • Identify the configuration of cannulation and the position of the cannulas.
  • If there is displacement, adjust the cannulas to the proper positioning.
If all elements of the circuit are functioning properly: