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Normal Lab Values

Normal Laboratory Values - Appendix A Critical Care

QuestionAnswer
ABG - pH 7.35 to 7.45
ABG - PaO2 80 to 100 mm Hg
ABG - SaO2 93% to 96%
ABG - PaCO2 35 to 45 mm Hg
ABG - HCO3 22 to 26
Mixed Venous Gases - SvO2 60% to 75% low SvO2 means high consumption and less oxygen; high SvO2 means low consumption and high oxygen
Glucose (fasting) 70 to 110 mg/dL
Blood urea nutrogen (BUN) 5 to 25 mg/dL
Creatinine 0.5 to 1.5 mg/dL
Sodium 135 to 145 mEq/L
Potassium 3.5 to 5.3 mEq/L
Magnesium 1.5 to 2.5 mEq/L
Lactate - Arterial blood 0.5 to 2.0 mmol/L
Lactate - Venouse blood 0.5 to 1.5 mmol/L
Total Cholesterol < 200 mg/dL
LDL 60 to 160 mg/dL
HDL 29 to 77 mg/dL
Albumin 3.5 to 5.0 g/dL
Total protein 6.0 to 8.0 g/dL
ALT 10 to 35 units/L
AST 8 to 38 units/L
Ammonia 5 to 45 mcg/dL
Bilirubin Indirect 0.1 to 1.0 mg/dL
Bilirubin Direct 0.1 to 1.2 mg/dL
PT 10 10 13 secs
PTT 60 to 70 secs
APTT 20 to 35 secs
A1C 2% to 5%
Hematocrit - Male 40% to 54% ; high Hct means less more RBC than other fluid, so there is fluid deficit.
Hematocrit - Female 36% to 46% ; high Hct means less more RBC than other fluid, so there is fluid deficit.
Hemoglobin - Male 13.5 to 17 g/dL
Hemoglobin - Female 12 to 15 g/dL
Platelet count 150,000 to 400,000 ul
WBC 4,500 TO 10,000
Neutrophils (total) 50% to 70% or 2,500 to 7,000 /ul
Eosinophils 1% to 3% or 100 to 300 /ul
Lymphocytes 25% to 35% or 1,700 to 3,500/ul
Urine - Specific Gravity 1.005 to 1.030
Blood pressure 120/80
MAP for adequate perfusion > 60
MAP Formulat [ systolic + (diastolic *2) ] / 3
MAP Normal range 70 to 90 mmHg
CO 4 to 8 L/min
CO formula SV * HR
Cardiac Index 2.8 to 4.2 L/m2
SVR (Systemic vascular resistance) 800 to 1,300
PVR (Pulmonary vascular resistance) 37 to 250
CVP / RA pressure 2 to 6 mm Hg
RV pressure 15-25 / 0-8 mm Hg
PA pressure (Left ventricular) 15-25 / 8-15 mm Hg
PAWP (left atrial pressure) 8 to 12 mmHg
Heart ejection fraction 55% to 75%
Cerebral perfusion Pressure (CPP) 60 to 100 ; according to the Society of Critical Care Medicine (SCCM)
Intracranial Pressure (ICP) 5 to 15 mm Hg
Intracranial volume volume of brain tissue + blood + + CSF + any abnormal lesion (if volume of one component goes up, the other component either be compressed or goes down because brain can not expand to accomodate extra pressure.)
ICP of patient in Supine position 7 to 15 mm Hg
Created by: rt-study