Normal Electrolyte Lab Values
- Potassium (K+)
 - 3.5 to 5.0 mEq/L
 - Calcium (Ca2+)
 - 8.5 to 10.5 mg/dL
 - Phosphate (PO43–)
 - 2.5 to 4.5 mg/dL
 - Magnesium (Mg2+)
 - 1.5 to 2.5 mEq/L
 - Sodium (Na+)
 - 135 to 145 mEq/L
 - Chloride (Cl–)
 - 95 to 105 mEq/L
 
Magnesium (Mg2+) Lab Value
Phosphate (PO43-) Lab Value
Liver Enzyme Tests: AST and ALT
- AST/ALT Ratio
 - AST: 8-20 U/L
 - ALT: 8-20 U/L
 
Bilirubin Lab Value
- 0.2-1.2 mg/dL
 - Increased Bilirubin Causes Jaundice
 
pH - Blood and Urine Lab Value
- Blood
 - 7.35 - 7.45
 - Urine
 - 4.0 - 8.0
 
Red Blood Cell Count (RBC) Lab Values
- Women: 3.5-5.5 million cells/ MuL
 - Men: 4.3-5.9  million cells/ MuL
 
Hemoglobin
- Hemoglobin Has Four Iron Hemes
 - Lots Of Hemoglobin In Red Blood Cells
 - High O2 Levels Increase O2 Binding
 - High Temperature Reduces O2 Binding
 - High CO2 Levels Reduce O2 Binding
 - Low pH Reduces O2 Binding
 - Myoglobin Binds Oxygen in Muscle
 
Hemoglobin (Hgb) Lab Values
- Men: 13 - 17 g/dL
 - Women: 12 - 16 g/dL
 
Hematocrit (Hct) Lab Values
- Women: 36% - 46%
 - Men: 41% - 53%
 
PT/PTT Lab Values
- Prothrombin Time (PT)
 - 10-14 seconds
 - Activated Partial Thromboplastin Time (PTT or aPTT)
 - 25-35 seconds
 
INR Lab Value
- 0.8-1.2 Normal Range
 - Warfarin
 - 2.0-3.0
 
WBC Differential Lab Value
- White Blood Cells (WBC)
 - 4.5-11 (4,500-11,000)
 - Segmented Neutrophils (54%-62%)
 - Band Neutrophils  (3%-5%)
 - Lymphocytes (25%-33%)
 - Monocytes (3%-7%)
 - Eosinophils (1%-3%)
 - Basophils (0%-0.75%)
 
BUN (Blood Urea Nitrogen) Lab Values
Creatinine Lab Values
- Measures Renal Function
 - 0.6 - 1.3 mg/dL
 
Urine Specific Gravity Lab Value
Cardiac Enzyme Evaluation: Creatine Kinase CK-MB
- Skeletal or Cardiac Muscle Injury
 - Onset: 4-8 Hours
 - Peak: 12-24 Hours
 - Return to Normal: 2-3 Days
 
Cardiac Enzyme Evaluation: Myoglobin
- Skeletal or Cardiac Muscle Injury
 - Onset: 1 - 4 Hours
 - Peak: 12 Hours
 - Return to Normal: 24 Hours
 - Elevation After 24 Hours: Reinfarction
 
Cardiac Enzyme Evaluation: Troponin
- Cardiac Muscle Injury
 - Detection in Blood: 4 Hours
 - Peak: 24 - 36 Hours
 - Return to Normal: 5 - 14 Days
 - Most Specific for Cardiac Muscle
 - Treat Aggressively
 
Troponin Lab Values
- Troponin T (cTnT)
 - < 0.1 ng/mL Normal
 - Troponin I (cTnI)
 - < 0.5 ng/mL Normal
 - > 2.3 ng/mL Myocardial Injury
 
Cholesterol Lab Values
- LDL (Low Density Cholesterol)
 - < 100 mg/dL
 - HDL (High Density Cholesterol)
 - > 40 mg/dL Males
 - > 50 mg/dL Females
 - Total Cholesterol
 - < 200 mg/dL
 
CSF Lab Values: Normal
- Pressure: < 20 cm H2O
 - Color/Appearance: Clear or Colorless
 - Proteins: < 40 mg/dL
 - Lactate Dehydrogenase: 10% of Serum Level
 - Cells: 0-5 Small Lymphocytes
 - Glucose: 40-70 mg/dL