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Factor VII deficiency - Symptom

Alternative Names

Extrinsic factor deficiency

Symptoms:

Bleeding from mucus membranes
Bleeding into joints
Bleeding into muscles
Excessive bruising
Excessive menstrual bleeding
Nosebleeds (epistaxis)

Signs and tests:

Partial thromboplastin time (PTT)
Plasma factor VII activity
Prothrombin time (PT)

Blood clot formation

Blood clots

Reviewed last on: 3/2/2009
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Kessler C. Hemorrhagic disorders: coagulation factor deficiencies. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa:Saunders Elsevier;2007:chap 180.

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