Normal Laboratory Values - Appendix A Critical Care

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Answer

ABG - pH

7.35 to 7.45

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ABG - PaO2

80 to 100 mm Hg

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ABG - SaO2

93% to 96%

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ABG - PaCO2

35 to 45 mm Hg

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ABG - HCO3

22 to 26

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Mixed Venous Gases - SvO2

60% to 75% low SvO2 means high consumption and less oxygen; high SvO2 means low consumption and high oxygen

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Glucose (fasting)

70 to 110 mg/dL

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Blood urea nutrogen (BUN)

5 to 25 mg/dL

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Creatinine

0.5 to 1.5 mg/dL

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Sodium

135 to 145 mEq/L

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Potassium

3.5 to 5.3 mEq/L

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Magnesium

1.5 to 2.5 mEq/L

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Lactate - Arterial blood

0.5 to 2.0 mmol/L

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Lactate - Venouse blood

0.5 to 1.5 mmol/L

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Total Cholesterol

< 200 mg/dL

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LDL

60 to 160 mg/dL

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HDL

29 to 77 mg/dL

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Albumin

3.5 to 5.0 g/dL

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Total protein

6.0 to 8.0 g/dL

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ALT

10 to 35 units/L

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AST

8 to 38 units/L

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Ammonia

5 to 45 mcg/dL

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Bilirubin Indirect

0.1 to 1.0 mg/dL

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Bilirubin Direct

0.1 to 1.2 mg/dL

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10 10 13 secs

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PTT

60 to 70 secs

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APTT

20 to 35 secs

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A1C

2% to 5%

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Hematocrit - Male

40% to 54% ; high Hct means less more RBC than other fluid, so there is fluid deficit.

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Hematocrit - Female

36% to 46% ; high Hct means less more RBC than other fluid, so there is fluid deficit.

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Hemoglobin - Male

13.5 to 17 g/dL

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Hemoglobin - Female

12 to 15 g/dL

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Platelet count

150,000 to 400,000 ul

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WBC

4,500 TO 10,000

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Neutrophils (total)

50% to 70% or 2,500 to 7,000 /ul

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Eosinophils

1% to 3% or 100 to 300 /ul

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Lymphocytes

25% to 35% or 1,700 to 3,500/ul

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Urine - Specific Gravity

1.005 to 1.030

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Blood pressure

120/80

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MAP for adequate perfusion

> 60

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MAP Formulat

[ systolic + (diastolic *2) ] / 3

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MAP Normal range

70 to 90 mmHg

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4 to 8 L/min

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CO formula

SV * HR

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Cardiac Index

2.8 to 4.2 L/m2

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SVR (Systemic vascular resistance)

800 to 1,300

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PVR (Pulmonary vascular resistance)

37 to 250

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CVP / RA pressure

2 to 6 mm Hg

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RV pressure

15-25 / 0-8 mm Hg

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PA pressure (Left ventricular)

15-25 / 8-15 mm Hg

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PAWP (left atrial pressure)

8 to 12 mmHg

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Heart ejection fraction

55% to 75%

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Cerebral perfusion Pressure (CPP)

60 to 100 ; according to the Society of Critical Care Medicine (SCCM)

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Intracranial Pressure (ICP)

5 to 15 mm Hg

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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.)

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ICP of patient in Supine position

7 to 15 mm Hg

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