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41 Cards in this Set

  • Front
  • Back

Does not require vitamin K to its production by the liver?


Not a serine protease?


Classic hemophilia?

Factor VIII

Precursor of thrombin?


Coag family that is dependent on vitamin K synthesis?

Prothrombin

Fibrinogen is converted to fibrin by?

Thrombin

Acts on fibrin?

Plasmin

End result of most coag test?

Fibrin clot

Prothrombinase complex.

Xa-Va-phospholipid-calcium

*Origin of platelets in the bone marrow?

Megakaryocytes

Low platelet count & normal bleeding time.

Autoimmune thrombocytopenia

Normal range of direct platelet count?

140,000 - 440,000 / uL

*Bleeding tendency.

50,000/uL

Quantitative defect of platelets is known as?

Thrombocytopenia

*Thrombocytopenia?

Prolonged bleeding time

Thrombocythemia?

Platelets are markedly increased

Factor VIII is present in highest concentration.

Cryoprecipitate

Prolonged bleeding time with normal platelet count?

Aspirin digestion


Vascular abnormality


vW syndrome

Test that uses a reagent form of tissue thromboplastin.

Prothrombin time

*Phase contrast microscope

Brecker cronkite

If PT is abnormal, APTT is normal?

Factor VII

If PT is normal, APTT is normal?

Factor VIII

Bleeding time, PT - NORMAL


APTT - ABNORMAL

VIII

Only test that is sensitive to a deficiency of factor VII?

Prothrombin time

APTT serves as a screening procedure for?

All except VII and XIII

5M urea of 1% monochloroacetic acid.

XIII

Diagnosis of von Willebrand’s disease

Decreased VIII:C


“ VIIIR:RCo


Prolonged bleeding time

Occur in the alternate pathway?

Factor VIIIa, can activate IX & X


Factor IX & kallikrein can activate factor VII


Factors XIIa, Xa, IXa or thrombin can activate VII

Principle inhibitor of thrombin & factor Xa

AT-III

*Degrades factors Va & VIIIa

Protein C

*Accelerates inactivation of factors Va & VIIIa

Protein S

*Inhibits vitamin K

Coumadin

Inactivates zymogen, binds fibrin ay critical lysine binding sites

Plasminogen

Greatly enhances activity of AT-III

Heparin

Activates plasminogen for lysis if thrombi

Streptokinase

Inactivates coag factors through phospholipoprotein components.

Lupus-like anti coagulant

*Fibrinogen has to decrease below what level to affect the various clotting test?

75 mg/dL

Increased platelet destruction?

Idiopathic thrombocytopenic purpura

DIC is associated with?

Snake bites


Placenta praevia


Acute granulocytic leukemia or acute monocytic leukemia

*Results of patient with DIC?

⬇️ plts & factors 1,5,8


Prolonged PT, APTT & TT


Positive D-dimer

*Ehlers Danlors, vW & Bernard Soulier are all qualitative platelet disorders that have abnormalities of

Adhesion

*Qualitative platelet disorder that has abnormal primary aggregation.

Glanzmann

Storage pool deficiency & Wiskott- Aldrich are qualitative platelet disorder that have abnormal

Secondary aggregation

Qualitative Platelet Disorders

Storage pool deficiency


Wiskott - Aldrich


Glanzmann


Ehlers Danlos


von Willebrand


Bernard Soulier