Serum Electrolytes
COMPLETE BLOOD COUNT
ARTERIAL BLOOD GAS
CHEMISTRY VALUES
Coagulation Studies
100
Sodium (Na+)
135—145 mEq/L
100
Red Blood Cell (RBC)
M: 4.5—5.5
F: 4.0—4.9
100
pH
7.35—7.45
100
Glucose
Adults: 70—110 mg/dL
100
Platelet count (PLT)
150,000 to 400,000 cells/mm³
200
Potassium (K+)
3.5—5.5 mEq/L
Tip: To remember, think there are 3-5 bananas in every bunch, and you want them 1/2 ripe... so 3.5 (half ripe) to 5.5 (half ripe)
200
White Blood Cell (WBC)
4,500—10,000 cells/mcL
200
Partial Pressure of CO2 (pCO2)
35—45 mmHg
Memory Trick: Take the "7" off of the pH and you're left with the PaCo2.
pH 7.35-7.45
200
Blood Urea Nitrogen (BUN)
Adults: 7—18 mg/dL
Child: 5—20 mg/dL
Infant: 5—15 mg/dL
200
Activated partial thromboplastin time (APTT)
20 to 60 seconds, depending on the type of activator used
300
Chloride (Cl-)
95—105 mEq/L
Memory Trick: Think of a CHLORinated pool that you want to go in when it's 95-105 degrees outside.
300
Platelets
100,000—450,000 cells/mcL
300
Partial Pressure of O2 (pO2)
80—100 mmHg
300
Serum Creatinine
0.6—1.35 mg/dL
300
Prothrombin time (PT)
11 – 13 seconds
400
Calcium
8.5—10.9 mEq/L
Memory Tip: CALcium... "Call 911"
That'll get you in the ballpark.
400
Hemoglobin (Hgb)
M: 13.5—16.5 g/dL
F: 12.0—15.0 g/dL
Pregnant: 10—15 g/dL
400
Bicarbonate (HCO3)
22—26 mEq/L
400
Creatinine Clearance (CrCl)
F: 85—132 mL/min
M: 90—138 mL/min
400
Partial Thromboplastin Time (PTT)
25 – 35 seconds
500
Magnesium (Mg)
1.5—2.5 mEq/L
Memory Trick: Think of a MAGnifying glass where you see 1.5 to 2.5 x bigger
500
Hematocrit (Hct)
M: 41—50%
F: 36—44%
Tip! To remember HCT, multiply Hgb x 3
500
Base Excess (BE)
-2—+2 mEq/L
500
Albumin
3.4—5.0 g/dL
500
Fibrinogen
203 – 377 mg/dL
600
Phosphorus (P)
2.5—4.5 mEq/L
Memory Tip: Break apart the word...
Phor (4)
Us (2 like me and you)
Then don't forget the .5!
600
Mean Corpuscular Volume (MCV)
80—100 fL
600
Oxygen Saturation (SaO2)
95—100%
600
Bilirubin
<1.0 mg/dL
600
Bleeding time
1 to 3 minutes (Duke method),
3 to 6 minutes (Ivy method)
700
Serum Osmolality
280 to 300 mOsm/kg
700
Uric Acid
3.5—7.5 mg/dL
700
D-Dimer
< 500 ng/mL
800
Serum bicarbonate
22 to 29 mEq/L
800
Creatine phosphokinase (CPK)
21—198 units/L
800
Heparin vs. Warfarin Ranges
