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Annals of Intensive Care

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.
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