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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: ASAIO J. 2015 Jul-Aug;61(4):453–458. doi: 10.1097/MAT.0000000000000230

Figure 1. Modified Ventilation Circuit For Collection And Measurement Of Mixed Expired Gas.

Figure 1

Modified ventilation circuit for collection and measurement of mixed expired gas. The intermittent positive pressure breathing valve separates inspiratory and expiratory gases. The mixing chamber creates turbulent airflow. The distal capnograph measures partial pressure of mixed expired carbon dioxide (PmCO2).