Lab 3

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jld15
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303477
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Lab 3
Updated:
2015-05-31 17:43:44
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Lab
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Lab 3
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  1. Erythrocyte count
    • Decreased (anemia, blood loss)
    • Increased (dehydration)
  2. Hemoglobin
    • Measures oxygen-carrying capacity (count)
    • Decreased (hemorrhage, some meds)
    • Increased (COPD, dehydration)
  3. Hematocrit
    • Percentage of whole blood occupied by RBC’s
    • Decreased (anemia, nutritional deficiency)
    • Increased (dehydration, burns)
  4. Reticulocyte count
    Immature RBC
  5. Iron
    • Important for Hb synthesis
    • Iron deficiency anemia
  6. Vitamin B12
    • Needed for RBC production
    • Pernicious anemia
    • ----Low Vit B 12
    • ----Seen in alcohol abuse
  7. Ferritin
    • Intracellular stores of iron
    • High Fe can lead to organ damage
  8. Erythrocyte Sedimentation Rate
    • Rate at which RBC’s settle out of unclotted blood plasma in 1 hour
    • Indicates infection or inflammation if increased
    • Non-specific test
    • Once disease identified can assist in monitoring disease progression – or response to treatment
  9. Therapist considerations Hb
    • Decreased exercise tolerance
    • Increased fatigue
    • Tachycardia
    • < 8g/dL
    • ----Therapeutic intervention may be contraindicated
  10. Therapist considerations WBC
    • Neutropenia: Low can increase infection
    • High bc fighting infection: may be tired
  11. Hemostasis (Clotting) tests
    • Bleeding time
    • Platelet count
    • PT
    • PTT
    • INR
  12. Purpose of clotting studies
    • Body’s ability to initiate clotting cascade
    • Diagnosis clotting diseases
  13. Bleeding time
    Tests the function of platelets
  14. PT
    • Prothrombin time
    • Chemical lab uses to get blood to clot
    • Measures effectiveness of Coumadin

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