Lab Values Flashcards
Serum sodium
Adult
135 - 145 mEq/L
Serum potassium
Adult
3.5 - 5.0 mEq/L
Serum chloride
Adult
98 - 107 mEq/L
Venous bicarbonate
Adult
22 - 29 mEq/L
Arterial pH
Adult
7.35 - 7.45
Arterial PCO2
Adult
35 -45 mmHg
Arterial HCO3
Adult
22 - 27 mEq/L
Arterial PO2
Adult
80 - 100 mmHg
aPTT control value
Adult
20 - 36 seconds
PTT
Adult
60 - 70 seconds
aPTT
Adult therapeutic range
Heparin
1.5 - 2.5 times aPTT control value
aPTT value
Adult Heparin caution
> 90 seconds initiate bleeding precautions
PT
Adult control value
Males 9.6 - 11.8 seconds
Females 9.5 - 11.3 seconds
PT
Adult therapeutic range
Warfarin
1.5 - 2 times PT control value
PT value caution
Adult
Warfarin
> 30 seconds initiate bleeding precautions
INR International normalized ratio
Adults
Standard Warfarin therapy
2 - 3 times PT control value
INR International normalized ratio
Adults
High-dose Warfarin therapy
3 - 4.5 times PT control value
Platelet count
Adult
150,000 - 400,000 cells/mm3
Bleeding time
Adult
Ivy method
3 - 6 minutes
Bleeding time
Adult
Duke method
1 - 3 minutes
ESR
Erythrocyte sedimentation rate
Adult
0 - 30 mm/Hr
Distance erythrocytes descend in one hour
Hemoglobin
Adult
Male 14 - 16.5 g/dL
Female 12 - 15 g/dL
Hematocrit
Adult
Male 42% - 52%
Female 35% - 47%
Serum Iron
Adult
Male 65 - 175 mcg/dL
Female 50 - 170 mcg/dL
RBC count (erythrocytes) Adult
Male 4.5 - 6.2 million cells/mcL
Female 4 - 5.5 million cells/mcL
Osmolality of plasma
270 - 300 mO
