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# ADV.D06 Ch.7 Coag

# ADV.D06 Ch.7 Coagulation, Ch.10 pgs 343-345

Blood platelet Thrombocyte. Responsible for releasing platelet factor to help start blood clotting.
hemostasis platelets, plasma and coagulation factors react to control bleeding and maintaining liquid circulating blood.
coagulation The process of platelet factors and plasma factors reacting to form a hard fibrin blood clot.
hemostatic same as hemostasis, but this is an adjective.
vascular phase (phase one) vasoconstriction. Vein constricts when damaged.
platelet phase (phase two) platelets stick to the injured blood vessel and form a plug.
coagulation (phase three) clotting factors react to form a fibrin clot.
Clot retraction (phase four) clot shortens after bleeding has stopped
fibrinolysis (clot destruction) blood clot is removed and tissue is repaired
intrinsic factors coagulation factors in the plasma
extrinsic factors factors activated by tissue damage (platelet factors, tissue thromboplastin)
anticoagulation therapy Medical treatment that reduces the chance of internal clotting using heparin, or coumadin meds.
thrombocytopenia lower than normal number of blood platelets
DIC disseminated intravascular coagulation. A condition in which small clots are spread throughout the body. Fatal if not treated immediately.
petechiae small hemorrhaging that is seen as small purple dots on the skin. Occurs when tourniquet is applied to individuals that have platelet deficiency.
Hemophilia inherited disease where the patient is missing certain plasma factors.
thrombocytosis over production of platelets.
hemostatic agent meds used to control bleeding.
anticoagulants chemicals that prevent the clotting process.
vascular phase vasoconstriction. When a blood vessel is injured it constricts to limit blood flow.
Platelet phase The second phase of hemostasis. Blood platelets release platelet factor around the injury and start the fibrin meshwork.
Clot retraction The 3rd phase of clotting. The clot formed retracts to close the opening in the injury.
Fibrinolysis The breakdown of the blood clot. The body destroys the blood clot once healing takes place.
If a patient is taking aspirin, coumadin, or heparin you can expect... the patient to bleed longer
Complete blood clotting depends upon factors in the body. These are... intrinsic factors and extrinsic factors
Created by: rjmtoss



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