Figure 2

Mean arterial partial pressure of carbon dioxide (PaCO2) levels at baseline, 60, 90, and 210 minutes from starting, and 60 minutes from discontinuation. Dotted lines indicate sheep with long treatment.
Mean arterial partial pressure of carbon dioxide (PaCO2) levels at baseline, 60, 90, and 210 minutes from starting, and 60 minutes from discontinuation. Dotted lines indicate sheep with long treatment.