Reviewer: Jeremy Parsons, M.D. (see Reviewers page)
Revised: 12 June 2012, last major update June 2012
Copyright: (c) 2002-2012, PathologyOutlines.com, Inc.
● Laboratory tests should be ordered if:
(a) history or physical exam is suspicious for bleeding disorder or
(b) for routine preoperative testing (PT, PTT, platelet count)
● See algorithms for prolonged PT, prolonged PTT, abnormal platelet count (platelet chapter) or hereditary bleeding disorder (PT, PTT, and platelet count normal)
● Dzik, W. (2009). Blood components to achieve hemostasis for surgery and invasive procedures. In T. Simon, E. Snyder, C. Stowell, R. Strauss, B. Solheim, M. Petrides (Eds.). Rossi's Principles of Transfusion Medicine. Bethesda, MD: Blackwell Publishing Ltd.
End of Coagulation > Bleeding disorders > Laboratory approach
This information is intended for physicians and related personnel, who understand that medical information is often imperfect, and must be interpreted in the context of a patient's clinical data using reasonable medical judgment. This website should not be used as a substitute for the advice of a licensed physician.
All information on this website is protected by copyright of PathologyOutlines.com, Inc. Information from third parties may also be protected by copyright. Please contact us at copyrightPathOut@gmail.com with any questions (click here for other contact information).