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31 Cards in this Set
- Front
- Back
Most frequently ordered lab test
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CBC
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Normal range of Hgb for males?
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14 - 17.5 g/dL
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Normal range of Hgb for females?
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12.3 - 15.3 g/dL
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Normal range of Hct in females?
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36-45%
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Normal range of Hct in Males?
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42-50%
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Percentage volume of blood that is composed of erythrocytes
Usually ~ 3x the value of Hgb |
Hematocrit
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Normal range of RBC for men?
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4.5 – 5.9 x 10^6 cells/µL
4,500,000 - 5,900,000 |
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Normal range of RBC for women?
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4.1 – 5.1 x 10^6 cells/µL
4,100,000 - 5,100,000 |
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Normal range for reticulocytes (retics) ?
Useful in identifying drug induced bone marrow suppression or to monitor anemic patient’s response to iron or vitamin therapy. |
0.50 - 2.5%
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Average lifespan of a RBC?
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120 days
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estimate of average volume of RBCs (size of RBC)
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MCV = Mean Corpuscular Volume
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Normal range for MCV?
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80-96 fL/cell
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abnormally large cells (increased MCV)
B12 and folate deficiencies, liver disease, chemotherapy |
Macrocytic
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abnormally small cells (decreased MCV)
Iron deficiency, thalassemias, lead poisoning |
Microcytic
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Amount of hemoglobin (weight) per RBC
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MCH = Mean Corpuscular Hemoglobin
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Normal range for Mean Corpuscular Hemoglobin?
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27.5 - 33.2 pg/Cell
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Normal range for Mean Corpuscular Hemoglobin Concentration (MCHC)
Hypochromic – deficiency of Hgb causing RBC to appear pale |
33.4 - 35.5 g/dL
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Normal range is 11.5 - 14.5%
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Red Cell Distribution Width
RDW |
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Indicates a varation in cell size
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Red Cell Distribution Width
RDW |
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Measures the average concentration or percentage of Hgb w/in a single RBC (color)
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MCHC
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Normal range for WBC
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4,400 - 11,300 cells/mm^3
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Abnormally high numbers of WBC
Associated with: acute infection, inflammation, tissue necrosis |
Leukocytosis
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Abnormally low number of WBC
Associated with: Bone marrow failure, chemo/radiation, overwhelming infections |
Leukopenia
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Parasitic infection
Allergic rxn/ Any drug rxn (sulfonamides, ACE inhibitors, CML) Pulmonary Eosinophilia Hodkin Lymphoma Abnormally high number of eosinophils |
Eosinophilia
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Radiation
Leukemia Chemotherapy Overwhelming bacterial infection (septicemia w/ gram negative bacteria) Vitamin B12 or Folate Deficiency Viral infection (CMV, EBV, Hepatitis, MMR, HIV) |
Neutropenia
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__________ causes:
Newborn Pregnancy N/V Strenuous exercise Extreme Temp/ UV light |
Neutrophilia
(Physiological causes) |
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__________ causes:
Acute/Chronic bacterial infection Trauma Myocardial Infarction Epinephrine, Lithium, Corticosteroids, *Cigarette Smoking* |
Neutrophilia
(Pathological causes) |
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Normal range for Platelets (Thrombocytes)?
produced in bone marrow |
Platelets (Thrombocytes)Normal range is 150,000 – 440,000/µL
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Total number of all blood cells is reduced
(Seen in Aplastic Anemia) |
Pancytopenia
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Infectious mononucleosis, viral infections (rubella, varicella, mumps, CMV), pertussis, TB syphilis, lymphoma, toxoplasmosis
Most commonly elevated with viral infection |
Lymphocytosis
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HIV, radiation exposure, corticosteroids, Lymphoma (Hodgkin’s), aplastic anemia
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Lymphopenia
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