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CO2 removal efficiency (circles) at varied sweep flow (triangles) of three Pediatric MLungs that were tested for 6 hours or until device flow was reduced to 5% of initial flow. Datapoints not gathered were due to dilution of the sample by sweep gas making the collected CO2 concentration below the detection limit of the blood gas machine (average ± SEM, n = 3, *n = 2, no error bar: n = 1). CO2, carbon dioxide; SEM, standard error mean.
