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Summary of Coagulation Factors Hematology Review 348


FACTORS EXPLANATION

Contact group

Prothrombin group

Fibrinogen group

Factors in extrinsic pathway

Factors in intrinsic pathway

Factors in common pathway

Extrinsic tenase complex

Intrinsic tenase complex

Prothrombinase complex

Factor VIII complex

Produced in liver

PK, HMWK, XII, XI

II, VII, IX, X

I, V, VIII, XIII

TF, VII

PK, HMWK, XII, XI, IX, VIII

X, V, II, I

VIIa/TF

IXa/VIIIa

Xa/Va

VIII:C & von Willebrand factor (VWF)

All

Factors involved in initiation of intrinsic pathway.

Vitamin K–dependent factors.

Factors acted on by thrombin (V, VIII, & XIII are acti-
vated; I is converted to fibrin). All are high molecular
weight proteins.

Acts on X.

Acts on X.

Acts on prothrombin.

VIII:C is the procoagulant; VWF is the carrier protein.

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