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Hematologic System | Medical (MD/DO) School Study Aid
0.8 * (Normal Albumin - Patient Albumin) + Calcium
Steps
Multiply * 0.8
Subtract (Normal Albumin - Patient Albumin)
Add Calcium
1 min
Total Protein Lab Values
6.4 - 8.3 g/dL
1 min
Liver Enzyme Tests: AST and ALT
AST/ALT Ratio
AST: 10-30 U/L
ALT: 10-40 U/L
1 min
WBC Differential Lab Value
White Blood Cells (WBC)
5-10 (5,000-10,000)
Leukocyte Differential
Neutrophils (50%-70%)
Bands (2%-5%)
Segs (50%-70%)
Lymphocytes (20%-40%)
Monocytes (4%-8%)
Eosinophils (2%-4%)
Basophils (0.5%-1.5%)
2 mins
Red Blood Cell Count (RBC) Lab Values
Women: 3.5-5.5 million cells/ MuL
Men: 4.3-5.9 million cells/ MuL
1 min
Hemoglobin (Hgb) Lab Values
Men: 13 - 17 g/dL
Women: 12 - 16 g/dL
46 secs
Hematocrit (Hct) Lab Values
Men: 40% - 54%
Women: 35% - 47%
1 min
PT/PTT Lab Values
Prothrombin Time (PT)
10-14 seconds
Activated Partial Thromboplastin Time (PTT or aPTT)
25-35 seconds
1 min
INR Lab Value
0.8-1.2 Normal Range
Warfarin
2.0-3.0
1 min
Platelet Lab Value
150,000-400,000 Micro L
40 secs
Bleeding Time Lab Values
2-7 Minutes
40 secs
pH - Blood and Urine Lab Value
Blood
7.35 - 7.45
Urine
4.0 - 8.0
1 min
Urine Specific Gravity Lab Value
1.003-1.030
1 min
Blood Glucose Lab Value
70-100 mg/dL
25 secs
Hemoglobin A1c Lab Value
4-6%
1 min
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
1 min
Triglycerides Lab Value
< 150 mg/dL
50 secs
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
2 mins
Cardiac Enzyme Evaluation: Myoglobin
Measures
Skeletal or Cardiac Muscle Injury
Time Ranges
Onset: 1 - 4 Hours
Peak: 12 Hours
Return to Normal: 24 Hours
Considerations
Elevation After 24 Hours: Reinfarction
2 mins
Cardiac Enzyme Evaluation: Troponin
Measures
Cardiac Muscle Injury
Time Ranges
Onset: 1 Hour
Peak: 10 - 24 Hours
Return to Normal: 5 - 14 Days
Considerations
Most Specific for Cardiac Muscle
Treated Aggressively
2 mins
Cardiac Enzyme Evaluation: Creatine Kinase CK-MB
Measures
Skeletal or Cardiac Muscle Injury
Time Ranges
Onset: 4-8 Hours
Peak: 12-24 Hours
Return to Normal: 2-3 Days
1 min
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
2 mins
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