Clin Path MT/I

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Author:
KHW
ID:
107280
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Clin Path MT/I
Updated:
2011-10-08 14:23:03
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Clin Path MT
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Clin Path MT/I
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  1. What might be the first presenting sign of a defect in primary hemostasis?
    • Defect in BV's or PLT
    • Petechia/Ecchymoses
    • (Thrombocytopenia or Thrombocytopathy)
  2. What might be the first presenting sign of a defect in secondary hemostasis?
    • Meleana (dark, tarry feces)
    • Haematemesis (Bloody vomit)
    • Hematuria
    • Epitaxis Hemoptysis
    • 1+ Hemotoma in tissues, cavities, joints
  3. Collagen ->
    • Tissue Activating Factor
    • VW Factor
  4. What tests analyze Intrinsic & Common Pathways?
    • Acitvated Partial Thromboplastin Time (aPTT)
    • Partial Thromboplastin Time (PTT)
    • Activated Clotting (ACT) (DEC SENS)
  5. What tests analyze Extrinsic & Common Pathways?
    One Stage Prothombin Time (OSPT)
  6. What tests analyze Platelet/Vascular Problems?
    • PLT count
    • BMBT
    • Clot Retraction Time
  7. What test is indicative of excess FDPs?
    Clot Lysis
  8. What test most accurately tests Intrinsic & Commmon Pathways?
    APTT
  9. What test is used to SCREEN for Intrinsic/Common Deficiencies?
    ACT
  10. Thrombocytopathy =>
    • Increased Bleeding time
    • Increased Clot Refraction Time
    • Increased Clot Lysis
    • Cytology
  11. What is indicative of PLT regeneration?
    ++ MPV
  12. What can lead to Decreased Fibrinogen
    • Liver Dz
    • Disfibrinogenemia
    • ++FDPs
    • Heparin Toxicosis
  13. How are FBP's formed?
    • 1. Plasminogen =>Plasmin
    • 2. --> fibrin => FDPs
  14. Which test is dependent on prothombin and its converstion to thrombin?
    OSPT
  15. Which 2 tests are performed together?
    • OSPT
    • aPTT
  16. WVD, Warfarin toxicosis & Severe Liver Failure would => Increased...
    • OSPT
    • Bleeding Time/BMBT
  17. Hemophilia, Heparin Toxicosis & Angiostrongylosis would => Increased...
    • aPTT
    • PTT
  18. Which test uses several Cap. Tubes?
    • Coag Time
    • (Dog/cat/pig=5-10m, bov=5-15m, Equ=20-30m)
  19. Which test uses Siliceous Earth
    Activated Coag Time
  20. Which Test analyzes clotting time of citrated plasma Ca & +Thromboplastin
    OSPT
  21. What test measures the size of serum that forms around blood clot after 1 hour?
    CRT (Clot Retraction Time)
  22. What is a crude test for PLT function?
    Clot Retraction Time (CRT)
  23. What conditions => thrombocytopenias due to destruction?
    • Chemicals
    • Immune (destruction in BM)
    • Neoplasia (MPD, LPD, Myelopthesis)
    • Drugs (Phenylbut, cyclophosphomide & Estrogen)
    • Cyclic Dyshemopoiesis
    • Infections (erlichia, FeLV)
  24. What conditions => thrombocytopenias?
    Impaired Function

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