PMC10276334_01
increase of carbon dioxide to 32.7 under the BiPAP mask
PAMJ-44-132-g001.jpg
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F1
Capnography showed increased end-tidal CO2 inside the mask near 32.7mmHg (Figure 1) and near 19.9mmHg in the tubes (Figure 2) of the BiPAP portable ventilator.
increase of carbon dioxide to 18.9 in the BiPAP tube
PAMJ-44-132-g002.jpg
PMC10276334_01_PAMJ-44-132-g002.jpg
F2
Capnography showed increased end-tidal CO2 inside the mask near 32.7mmHg (Figure 1) and near 19.9mmHg in the tubes (Figure 2) of the BiPAP portable ventilator.
placing a canister of soda lime in the expiration pathway after the mask and before the BiPAP
PAMJ-44-132-g003.jpg
PMC10276334_01_PAMJ-44-132-g003.jpg
F3
BiPAP ventilator (Figure 3). By starting the ventilator, the capnograph showed rapidly decreasing CO2 under the mask and within the expiratory tube.