Give the results (prolonged or normal) for the bleeding time, prothrombin time, activated partial thromboplastin time, and thrombin time for a patient on prolonged anticoagulant therapy
What will be an ideal response?
Answer:
a. BT: Bleeding time assesses primary hemostasis, so prolonged anticoagulant therapy should not affect the BT.
b. PT: If the patient is taking Coumadin, the PT time will be prolonged.
c. APTT: If the patient is on heparin or Coumadin, the APTT will be prolonged.
d. TT: Heparin will almost certainly cause a prolonged TT.
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