Heparin Drip

  1. Can anyone tell me how long it takes for a PTT level to return to normal after stopping a heparin drip?
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  2. 6 Comments

  3. by   sapphire18
    Depends what you mean by normal- the MD should have a goal range. I know at least preoperatively, a gtt needs to be stopped 6 hours prior to surgery. Heparin leaves the body fairly quickly.
  4. by   JamieSueRN
    Well a normal PTT is roughly 25-30. I'm wondering how long it would take a PTT level to go from 89 to 29. I know its fast but was wondering if anyone knew a close estimate of how long.
  5. by   sapphire18
    Why are you asking? School assigment? If not I'd need to know some more about the pt.
  6. by   Jdl2002
    The half-life on heparin is about 1.5 hours. In the average person, one would expect a ptt to return to normal within about 4 hours.
  7. by   BelgianRN
    If it needs to be corrected faster you can administer protamine.
  8. by   an2on
    I guess it would would depends on the half life of the drug which you can find a drug book, right ?

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