clotting.txt

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Author:
dodgybarnet
ID:
127651
Filename:
clotting.txt
Updated:
2012-01-13 16:33:16
Tags:
EMT Book1
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Description:
Clotting
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  1. ´╗┐Hemostasis - 3 mechanisms to prevent or control blood loss
    • 1. Vascular spasms: Vasoconstriction recues the size of the tear and reduces blood flow, and thus loss.
    • 2. Platelet plugs: Plugs up the hole, but is unstable, so you need...
    • 3. Fibrin blood clots: Secures the clot
  2. Extrinsic versus Intrinsic pathways
    • Extrinsic: damage to vessels
    • Intrinsic: damage to blood from turbulence
  3. Thrombosis
    Clot formation with Thrombin & Fibrinogen
  4. Fibrinolysis
    Plasmin dismantles a clot with Plasminogen & Plasmin
  5. Clotting factor
    Chemical which activates a clotting protein, such as Prothrombin
  6. Asprin in relation to clotting
    Alter the platelets ability to stick together and form platelet plugs.
  7. Heparin in relation to clotting
    Affect clotting cascade preventing clot formation (heparin inactivates thrombin)
  8. Warfarin in relation to clotting
    Blocks vitamin K activity
  9. Vitamin K in relation to clotting
    Enhances clotting

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