Fig. 4

Respiration monitoring. A soft lubricated tube was inserted in the ventral meatus of one of the nostril. The tube was linked to a side-stream capnograph providing the visualization of a waveform and end-tidal CO2 value
Respiration monitoring. A soft lubricated tube was inserted in the ventral meatus of one of the nostril. The tube was linked to a side-stream capnograph providing the visualization of a waveform and end-tidal CO2 value