GI Bleeding

David Green, MD, PhD

Northwestern University, Feinberg School of Medicine, Chicago, IL

This case was reviewed and updated in November 2012 by Dr. Alvin H. Schmaier and members of the Teaching Cases Subcommittee.

Copyright of the American Society of Hematology, 2006. ISSN: 1931-6860.

VI. PROGNOSIS/CLINICAL COURSE

How can you establish which type of von Willebrand disease this patient has?

Obtain a von Willebrand factor (vWF) multimer determination
Perform a ristocetin-induced platelet aggregation test with platelet-rich plasma
Perform a dDAVP challenge test

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