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anonymous

  • one year ago

Medal A physician orders enoxaparin for a patient with deep vein thrombosis. The in stock solution of enoxaparin is 300 mg / 3 mL and the dosage instructions are 1 mg/kg SC q.12.h., and the patient weighs 85kg. Provide complete, detailed instructions for proper drug administration

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  1. Lurker
    • one year ago
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    1 mg/kg a patient weighs 85 kg therefore he needs 85 mg

  2. Lurker
    • one year ago
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    the solution you are giving him has 300 mg / 3 mL

  3. Lurker
    • one year ago
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    how many mL do you have to give him for 85 mg then

  4. anonymous
    • one year ago
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    8.5 mL

  5. Lurker
    • one year ago
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    no no, are you confused with anything i ve typed so far

  6. anonymous
    • one year ago
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    m not confused i just dont understand the 85 mg in mL how do you convert this

  7. Lurker
    • one year ago
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    okays the solution you administer to the patient has 300 mg for every 3 mL

  8. Lurker
    • one year ago
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    you have to give him x mL such that he only get 85 mg

  9. Lurker
    • one year ago
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    you can look at the ratios there 300 mg for 3 mL means 100 mg for 1 mL

  10. Lurker
    • one year ago
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    which is not low enough, can you think of how to get it to 85 mg for some other mL

  11. anonymous
    • one year ago
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    ok so we need to make 85mg to mL right

  12. Lurker
    • one year ago
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    we arent turning mg to ml we are just trying to figure out the ratios here

  13. anonymous
    • one year ago
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    ohh i c

  14. Lurker
    • one year ago
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    for example what we did in that middle step there how i got 100 mg for 1 ml is since 300/3 = 100/1 this is the same ratio in the same way 300/3=85/x what should x be to maintain the same ratio

  15. anonymous
    • one year ago
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    so we cross multiply to get it right

  16. Lurker
    • one year ago
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    yep

  17. Lurker
    • one year ago
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    solve for x

  18. Lurker
    • one year ago
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    |dw:1438112286446:dw|

  19. Lurker
    • one year ago
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    you see how 1*100 =100 for the 100/1 case then 85/x x*100=85 so x=0.85

  20. Lurker
    • one year ago
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    |dw:1438112353485:dw|

  21. Lurker
    • one year ago
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    85 mg for 0.85 mL so you need to give the patient 0.85 mL of solution

  22. anonymous
    • one year ago
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    so the answer is 0.85mL?

  23. Lurker
    • one year ago
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    yeah

  24. anonymous
    • one year ago
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    thank you :)

  25. Lurker
    • one year ago
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    welcome

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