Fentanyl+O2Bronchodilator
Dyspnea Intensity (Borg)2.9±0.52.9±0.6
IC (L)1.67±0.121.97±0.15*
VT (L)1.23±0.101.38±0.10*
VE (L/min)35.1±3.440.9±2.8*
BF (bpm)29±231±2*
SpO2 (%)97±194±2
EMGdi/EMGdi,max (%)61.2±6.367.8±7.0