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When patients are admitted to the hospital, it is always a possibility that they will need an IV drip. It is important that you know how to do these rate calculations, so that you can assure they are not giving too much or too little of a drug. It is feasible that you can be responsible for serious harm, or even death, if you do not master this type of calculation. We will be adding on to the previous formulas you have learned. IV drip rate calculations may require a few extra steps, however the basic process is the same as you learned how to calculate liquid medication dosages.
There are a few things to remember when setting up your equations for IV drip rate calculations.
Here are your formulas Here are your free examplesYou have a bottle of Amiodarone with 900mg/500ml. You have given the loading dose bag and now need to start the gtt at 1mg/min. How fast should you run the drug? 500 mL X 1 And anotherYour chest pain patient has an order to start a Nitroglycerin gtt at 15mcg/min. Your bag has 50mg/500ml. How fast should you run your medication? 500 mL X 1 Keep Going!You have vancomycin to give to you patients. Let’s say it is safe to give 500mg over 1 hour. You have a bag of 750mg/500ml to give. At what rate will you give this bag, and how long will it take the bag to completely infuse? 500 mL X 500 NOW 1 hr X 500 Very soon you will be learning how to calculate weightbased IV drips. Until that time, continue to practice what you have learned already. I found a great site that reinforces how to use this method for IV drip rate calculations.

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