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Normal Values

pH 7.35-7.45
PaCO2 35-45 mmHg
PaO2 80-100 mmHg
HCO3- 22-26 mEq/L
VT >5 mL/kg
VC 10 mL/kg
MIP <-20 cmH2O
MEP >40 cmH2O
RSBI <106
RR 8-20/min
VD/VT ratio 20-40% (off vent)/ <60% (on vent)
SpO2 >94%
A-aDO2 25-65 mmHg
CaO2 17-20 vol%
CvO2 14-16 vol%
C(a-v)O2 4-5 vol%
P/F ratio >380
QS/QT (shunt) 3-5%
PetCO2 25-35 mmHg
PetCO2% 2-5%
Pulse 60-100 bpm
BP 120/80 mmHg
Temp (oral) 37 deg C
Fev1 >80% of predicted
Fev1/FVC% 70% or greater
DLCO 20-25 mL/CO/min/mmHg
SVC >80% of predicted
FVC >80% of predicted
RAW 0.6-2.4 cmH2O/L/sec
C.O. 4-8 L/min
C.I. 2-4 L/min/m2
CVP 2-6 mmHg
mPAP 14 mmHg or 25/8 mmHg
PCWP 7-9 mmHg
SVR 1440 dynes
PVR 160-200 dynes
MAP 93 mmHg
K+ 3.5-4.5 mEq/L
Na+ 135-145 mEq/L
Cl- 80-100 mEq/L
Creatinine 0.7-1.3 mg/dL
BUN 8-25 mg/dL
WBC 4,000-12,000 cu mm
Hb 12-16 gm/dL
RBC 4-6 mill/cu mm
HCT 45%
PT 11-14 sec
APTT 30-40 sec
INR 0.8-1.1
Platelet Count 150,000-400,000 units
Theophylline 10-20 ug/L
ICP 5-10 mmHg