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Table 4 Oscillatory behaviour of various ventilator parameters for stages 3-4 with PSV mode of ventilation

From: Sleep quality in mechanically ventilated patients: comparison between NAVA and PSV modes

Respiratory variables Baseline Pre-apneas PSV
VT (mL) 425 ± 67 585 ± 70
RR (breath/min) 13 ± 2 12 ± 1
VE (L/min) 5.2 ± 0.5 6.8 ± 0.8
ETCO2 (mmHg) 46 ± 1.4 42 ± 1.0
EAdi (mVolt) 15 ± 4 10 ± 2
  1. VT = tidal volume; RR = respiratory rate; VE = minute ventilation; ETCO2 = end-tidal carbon dioxyde; PSV = pressure support ventilation.