RADIOMETER ABL800 FLEX Operator's Manual page 380

12. Sampling
Sampling procedures,
Expired air To collect an expired air sample, do the following:
sampling
Step
12-14
Continued
Action
1. Collect the patient's expired air in the Douglas bag.
2. Connect a syringe (minimum 20 mL, with a rubber cap) to the bag.
Fill and empty the syringe twice, then fill it with the sample. Close the
3.
syringe with the rubber cap.
ABL800 FLEX Operator's Manual