reference ranges exam 1 (coag part 1)

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7 Terms

1
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platelet function analyzer

< 164 seconds is normal

2
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prothrombin time (PT)

10-13 sec

3
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activated partial thromboplastin time (aPTT)

27-32 sec

4
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thrombin time (TT)

10-16 sec 

5
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modified thrombin time

200-400 mg/dL

6
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INR

  • 2.0-3.0

  • 2.5-3.5 for prosthetic heart valve

7
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INR formula

(patient PT/normal PT)^ISI