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24 Cards in this Set
- Front
- Back
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Which pathway does PTT measure?
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Intrinsic pathway
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Which pathway does PT measure?
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Extrinsic pathway
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What test measures the fibrinolytic system?
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D-Dimer
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Which test will be positive if there is a clot somewhere?
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D-Dimer
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What is the normal range for bleeding time?
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3-9 minutes
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What is the normal range for prothrombin time?
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13-17 seconds
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PT measures what coagulation factors?
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5, 7, 10
Prothrombin Fibrinogen |
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What test is used to monitor Coumadin therapy?
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PT
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What is the normal time for partial thromboplastin time?
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25-36 seconds
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What factors in the common pathway does PTT measure?
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10, 5, prothrombin, fibrinogen
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What factors does PTT measure in the intrinsic pathway?
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Prekallikrein, HMW kininogen, 12, 11, 9,8
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What test is used to monitor heparin therapy?
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PTT
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What is the normal range for fibrinogen?
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150-350 mg/dl
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What test is a measure of fibrinolysis?
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FDP
(fibrin degradation products) |
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What diseases is FDP increased in?
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DIC
Fibrogenolysis |
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What test is used to diagnose fibrinogen disorders or inhibitors of thrombin?
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Fibrinogen
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What is the normal range for thrombin time?
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15-18 seconds
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What does thrombin time measure?
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Fibrinogen conversion to fibrin
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What drug will cause prolongation of the thrombin time?
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Heparin
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D-Dimer is elevated in what illnesses?
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DIC
PE |
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D-Dimers should only be performed in high suspicion of a clot, true or false?
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False
only in low suspicion of a clot, to rule it out |
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D-Dimer test is specific for what?
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FDP
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D-Dimer is formed as a result of what?
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Plasmin digestion of cross-linked fibrin
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What is the only test that works for monitoring low-molecular-weight heparin?
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Anti-Xa Heparin Assay
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