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PTT increased

PTT increased is a topic covered in the Diagnosaurus.

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Emergency Central is a collection of disease, drug, and test information including 5-Minute Emergency Medicine Consult, Davis’s Drug, McGraw-Hill Medical’s Diagnosaurus®, Pocket Guide to Diagnostic Tests, and MEDLINE Journals created for emergency medicine professionals. Explore these free sample topics:

Emergency Central

-- The first section of this topic is shown below --

Etiology

Congenital factor deficiencies

  • Contact factors (no clinical bleeding)
  • Factor XII (no clinical bleeding)
  • Factor XI
  • Factor IX (hemophilia B)
  • Factor VIII (hemophilia A)
  • Factor VIII (von Willebrand's disease)
  • Factor I (afibrinogenemia)

Anticoagulants

  • Factor VIII inhibitor (postpartum, idiopathic, or after factor VIII infusions)
  • Lupus anticoagulant (no clinical bleeding)
  • Heparin
  • Warfarin (PT increased more than PTT)

Other

  • Disseminated intravascular coagulation (PT & PTT increased)
  • Liver disease (PT increased more than PTT)
  • Vitamin K deficiency (PT increased more than PTT)

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Last updated: December 1, 2014

Citation

Zeiger, Roni F.. "PTT Increased." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114681/all/PTT_increased.
Zeiger RF. PTT increased. Diagnosaurus. 4th ed. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114681/all/PTT_increased. Accessed April 24, 2019.
Zeiger, R. F. (2014). PTT increased. In Diagnosaurus. Available from https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114681/all/PTT_increased
Zeiger RF. PTT Increased [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2019 April 24]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114681/all/PTT_increased.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - PTT increased ID - 114681 A1 - Zeiger,Roni F, Y1 - 2014/12/01/ BT - Diagnosaurus UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114681/all/PTT_increased PB - McGraw-Hill Education ET - 4 DB - Emergency Central DP - Unbound Medicine ER -