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Clotting: Diagnostic Tests
Terms in this set (9)
Prothrombin Time (PT)
Decreased clotting factors = prolonged PT = more time for clot to form.
Normal is 11-12.5 sec
Coumadin will be 1.5-2.5 times the normal
Used to monitor the effectiveness of anticoagulant therapy such as warfarin (Coumadin) that is given to inhibit the formation of blood clots.
Normal person less than 1
Receiving warfarin 2-3 critical high is 4.5-6
A normal finding is 60-70 seconds.
APTT (shortened version of PTT): normal value of 30-40 seconds.
Heparin: 1.5-2.5 times normal
Blood clotting protein.
Adult normal: 150,000-400,000
A global marker of coagulation activation and measures fibrin degradation products produced from fibrinolysis (clot breakdown). The test is used for the diagnosis of DVT when the patient has few clinical signs and stratifies patients into a high-risk category for recurrence.
Erythrocytes, HgB, HcT
Image of an artery using contrast. Location and extent of occlusion or dilation is identified.
Image of a vein using contrast. Location and extent of occlusion or dilation is identified.
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