DRUG CALCULATIONS In the critical care unit Sherry L. Knowles, RN, CCRN, CRNI
FORMULAS <ul><li>Too Many </li></ul><ul><li>Too Complicated </li></ul><ul><li>Too much room for error! </li></ul>
ONE FORMULA <ul><li>Desired X Kg  </li></ul><ul><li>----------------------  X   60  =  rate  (cc/hr) </li></ul><ul><li>Fin...
TWO STEPS <ul><li>STEP # 1 </li></ul><ul><li>  Concentrations   =   amt. /  V ol </li></ul><ul><li>  &   X (times) 1000 </...
ONE FORMULA <ul><li>Desired X Kg  </li></ul><ul><li>----------------------  X   60  =  rate  (cc/hr) </li></ul><ul><li>Fin...
PRACTICE <ul><li>Desired X Kg  </li></ul><ul><li>----------------------  X   60  =  rate  (cc/hr) </li></ul><ul><li>Final ...
REVERSE FORMULA <ul><li>Conc. X rate </li></ul><ul><li>----------------     60  =  desired </li></ul><ul><li>Kg   </li></ul>
PRACTICE <ul><li>Desired X Kg  </li></ul><ul><li>----------------------  X   60  =  rate  (cc/hr) </li></ul><ul><li>Final ...
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Calculations

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IV Medication Calculations

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  • Calculations

    1. 1. DRUG CALCULATIONS In the critical care unit Sherry L. Knowles, RN, CCRN, CRNI
    2. 2. FORMULAS <ul><li>Too Many </li></ul><ul><li>Too Complicated </li></ul><ul><li>Too much room for error! </li></ul>
    3. 3. ONE FORMULA <ul><li>Desired X Kg </li></ul><ul><li>---------------------- X 60 = rate (cc/hr) </li></ul><ul><li>Final Concentration </li></ul><ul><li> (conc.) </li></ul>
    4. 4. TWO STEPS <ul><li>STEP # 1 </li></ul><ul><li>  Concentrations = amt. / V ol </li></ul><ul><li> & X (times) 1000 </li></ul><ul><li>Conversions = or </li></ul><ul><li>  (divided by) 1000 </li></ul>STEP # 2 FORMULA
    5. 5. ONE FORMULA <ul><li>Desired X Kg </li></ul><ul><li>---------------------- X 60 = rate (cc/hr) </li></ul><ul><li>Final Concentration </li></ul><ul><li> (conc.) </li></ul>
    6. 6. PRACTICE <ul><li>Desired X Kg </li></ul><ul><li>---------------------- X 60 = rate (cc/hr) </li></ul><ul><li>Final Concentration </li></ul><ul><li> (conc.) </li></ul>
    7. 7. REVERSE FORMULA <ul><li>Conc. X rate </li></ul><ul><li>----------------  60 = desired </li></ul><ul><li>Kg </li></ul>
    8. 8. PRACTICE <ul><li>Desired X Kg </li></ul><ul><li>---------------------- X 60 = rate (cc/hr) </li></ul><ul><li>Final Concentration </li></ul><ul><li> (conc.) </li></ul>
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