PTT

Also known as: Activated Partial Thromboplastin Time; aPTT; APTT

Formal name: Partial Thromboplastin Time

Article Sources

NOTE: This article is based on research that utilizes the sources cited here as well as the collective experience of the Lab Tests Online Editorial Review Board. This article is periodically reviewed by the Editorial Board and may be updated as a result of the review. Any new sources cited will be added to the list and distinguished from the original sources used.

S1
Thomas, Clayton L., Editor (1997). Tabers Cyclopedic Medical Dictionary. F.A. Davis Company, Philadelphia, PA [18th Edition].

S2
Pagana, Kathleen D. & Pagana, Timothy J. (2001). Mosbys Diagnostic and Laboratory Test Reference 5th Edition: Mosby, Inc., Saint Louis, MO.

S3
(2002 November 19, Modified). Activated Partial Thromboplastin Time [30 paragraphs]. Mass Gen. Hospital Pathology Service Laboratory Medicine [On-line information, Coag Test Handbook]. Available FTP: http://www.mgh.harvard.edu/labmed/lab/coag/handbook/co003400.htm#co003400

S4
Activated Partial Thromboplastin Time [10 paragraphs]. MCL Web Resources, Topics in Hemostasis [On-line information]. Available FTP: http://155.58.145.40/hemostasis/PTT1.html

S5
Olson, J. (1999 September). Addressing clinical etiologies of a prolonged aPTT [32 paragraphs]. CAP Today, In the News [On-line Newsletter]. Available FTP: http://www.cap.org/captoday/CaseStudy/coag4.html

S6
Activated Partial Thromboplastin Time [7 paragraphs]. Florida Hospital Cancer Institute, Clinical and Research Laboratories Coagulation Test Panels [On-line information]. Available FTP: http://www.fhci-labs.com/researchlabs/clinicallabs/hemostasisandthrombosis/panels.htm

S7
PTT-LA [7 paragraphs]. Florida Hospital Cancer Institute, Clinical and Research Laboratories Coagulation Test Panels [On-line information]. Available FTP: http://www.fhci-labs.com/researchlabs/clinicallabs/hemostasisandthrombosis/panels.htm

S8
Duke University Medical Center Clinical Coagulation Laboratory Coagulation Test Descriptions [On-line information]. Available FTP: http://pathology.mc.duke.edu/coag/TestDes.htm

S9
Elstrom, R. (2001 November 25, Updated ). PTT [14 paragraphs]. MEDLINEplus Health Information, Medical Encyclopedia [On-line information]. Available FTP: http://www.nlm.nih.gov/medlineplus/ency/article/003653.htm

S10
Coagulation Test Panels [9 paragraphs]. Clinical and Research Laboratories, Florida Hospital Cancer Institute [On-line information]. Available FTP: http://www.fhci-labs.com/researchlabs/clinicallabs/hemostasisandthrombosis/panels.htm

S11
Menta, S. (1999 Spring). The Coagulation Cascade [148 paragraphs]. Physiology Disorders Evaluation, College of Medicine, Univ of Florida [On-line information]. Available FTP: http://www.medinfo.ufl.edu/year2/coag/title.html

S12
Elstrom, R. (2001 November 25, Updated). PT [18 paragraphs]. MEDLINEplus Health Information, Medical Encyclopedia [On-line information]. Available FTP: http://www.nlm.nih.gov/medlineplus/ency/article/003652.htm

S13
Elstrom, R. (2001 November 25, Updated). PTT [14 paragraphs]. MEDLINEplus Health Information, Medical Encyclopedia [On-line information]. Available FTP: http://www.nlm.nih.gov/medlineplus/ency/article/003653.htm

S14
What is a Bleeding Disorder? [10 paragraphs]. National Hemophilia Foundation, Bleeding Disorders Info Center [On-line information]. Available FTP: http://www.hemophilia.org/bdi/bdi_general.htm

S15
DeLoughery, T. (1999 March 15). Tests of Hemostasis and Thrombosis [66 paragraphs]. OHSU [Online student handout]. Available FTP: http://www.ohsu.edu/som-hemonc/handouts/deloughery/printtest.html

S16
Pagana, Kathleen D. & Pagana, Timothy J. (© 2007). Mosbys Diagnostic and Laboratory Test Reference 8th Edition: Mosby, Inc., Saint Louis, MO. Pp 705-707.

S17
Clarke, W. and Dufour, D. R., Editors (2006). Contemporary Practice in Clinical Chemistry, AACC Press, Washington, DC. Harris, N. et. al. Chapter 19: Assessment of Hemostasis in the Clinical Laboratory. pp 227-239.