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Calculating IV Drug Dose Infusing per hour or minute

Learn how to calculate the infusion rate of IV drug doses per hour or minute using examples and step-by-step instructions.

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Calculating IV Drug Dose Infusing per hour or minute

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  1. Calculating IV Drug Dose Infusing per hour or minute ProCalc Nsg 232

  2. Example 1 ProCalc Nsg 232

  3. Calculating IV Drug Dose per Hour & Minute • Example 1 Dextrose 5% in water with Amicar is infusing at a rate of 55 ml per hour. The IV solution was prepared by adding 5000 mg of Amicar to dextrose 5% in water. The final solution contains a total volume of 250 ml. How many mg are infusing per hour? How many mg are infusing per minute? • To find the mg/hr: • Step 1 – Write down infusion rate • Step 2 – Write down IV concentration • Step 3 – Reduce the units • Step 4 –Perform the math To find the mg/minute: Convert the mg/hr Step 1 Step 2 Step 4 1,100 mg hr 55 ml 1 hr 5000 mg 250 ml 55 x 5000 mg 275,000 mg = x = = 1 x 250 hr 250 hr Step 3

  4. Calculating IV Drug Dose per Hour & Minute • Example 1 Dextrose 5% in water with Amicar is infusing at a rate of 55 ml per hour. The IV solution was prepared by adding 5000 mg of Amicar to dextrose 5% in water. The final solution contained a total volume of 250 ml. How many mg are infusing per hour? How many mg are infusing per minute? • To find the ml/hr: • Step 1 – Write down infusion rate • Step 2 – Write down IV concentration • Step 3 – Reduce the units • Step 4 –Perform the math To find the mg/minute: Convert the mg/hr Round your answer to the nearest whole number . We are infusing 18 mg/min. 1 ,100 x 1 mg 1,100 mg hr 1 hr 60 min 1,100 mg 18.33 mg/min x = = = 1 x 60 min 60 min

  5. Example 2 ProCalc Nsg 232

  6. Calculating IV Drug Dose per Hour & Minute • Example 2 Your patient is receiving an IV of 250 milliliters of 0.9% NS with 500 milligrams of the Inocor. The flow rate is 15 milliliters per hour. How many milligrams per hour is your patient receiving? How many milligrams per minute? • To find the mg/hr: • Step 1 – Write down infusion rate • Step 2 – Write down IV concentration • Step 3 – Reduce the units • Step 4 –Perform the math To find the mg/minute: Convert the mg/hr Step 1 Step 2 Step 4 15 ml 1 hr 500 mg 250 ml 15 x 500 mg 7,500 mg 30 mg hr = x = = 1 x 250 hr 250 hr Step 3

  7. Calculating IV Drug Dose per Hour & Minute • Example 2 Your patient is receiving an IV of 250 milliliters of 0.9% NS with 500 milligrams of the Inocor. The flow rate is 15 milliliters per hour. How many milligrams per hour is your patient receiving? How many milligrams per minute? • To find the ml/hr: • Step 1 – Write down infusion rate • Step 2 – Write down IV concentration • Step 3 – Reduce the units • Step 4 –Perform the math To find the mg/minute: Convert the mg/hr 30 mg 1 hr x 1 hr 60 min = 30 x 1 mg = 30 mg = 0.5 mg/min 1 x 60 min 60 min

  8. Thank you for viewing the Yavapai College Verde Learning Center Tutorial on Calculating IV Drug Dose Infusing per hour or minute.

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