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Prothrombin Time (PT)
Alternate Names : Pro-Time, PT
DefinitionThis is a test that measures the clotting time of plasma (the liquid portion of the blood).
Why is the Test Performed?
The PT is a broad screening test for many types of bleeding disorders. It evaluates blood clotting disorders, usually bleeding.
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• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• Normal Values
• What do Abnormal Results Mean?
• Special Considerations
• Risks
Topics that might be of interest to you Diseases & Conditions
• Biliary Obstruction
• Blood Clots
• Cirrhosis
• DIC (Disseminated Intravascular Coagulation)
• Factor XII (Hageman Factor) Deficiency
• Hepatitis
• Malabsorption
Tests & Exams
• Fibrinogen
Other Topics
• Adolescent Test or Procedure Preparation
• Infant Test/Procedure Preparation
• Preschooler Test/Procedure Preparation
• School Age Test/Procedure Preparation
• Toddler Test/Procedure Preparation
• Vitamin K
Review Date : 6/1/2003
Reviewed By : Marcia S. Brose, M.D., Ph.D., Division of Hematology/Oncology, Hospital of the University of Pennsylvania, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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