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Table 1 Experimental conditions for test lung model

From: Effect of lung compliance and endotracheal tube leakage on measurement of tidal volume

Parameter Infant Pediatric Adult
Simulated weight (kg) 4 7 10 20 31 50 70
ETT internal diameter (mm) 3.0 3.5 4.0 5.0 6.5 7.0 7.5
Tidal volume at 6 ml/kg (ml) 24 42 60 120 186 300 420
PEEP (cmH2O) 5 5 5 5 5 5 5
Rate per minute 20 20 20 20 20 12 12
Inspiratory time (s) 1 1 1 1 1 1.2 1.2
FiO2 (%) 21 21 21 21 21 21 21
Circuit compliance (ml/cmH2O) 1 1 1 1.5 1.5 2.9 2.9
Servo 300 set range Neonatal Pediatric Adult
CO2SMO Plus sensor Neonatal Pediatric Adult
  1. ETT, endotracheal tube; FiO2, fraction of inspired oxygen; PEEP, positive end-expiratory pressure.