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. Author manuscript; available in PMC: 2017 Jun 27.
Published in final edited form as: Clin J Am Soc Nephrol. 2012 Apr 12;7(8):1328–1336. doi: 10.2215/CJN.12731211

Figure 2.

Figure 2

Renal replacement therapy (RRT) using RRT machine during extracorporeal membrane oxygenation (ECMO). If the ECMO circuit uses a roller pump, a proportion of the circuit blood comes from the patient via the venous drain cannula and enters the RRT machine where replacement, dialysis, and ultrafiltration occurs. Blood from the RRT machine then goes back to the ECMO bladder to the ECMO pump, the membrane oxygenator, and back to the patient via a return cannula. If a centrifugal pump is used, the RRT machine must be connected after the ECMO bladder to prevent air entrapment.