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Calculating IV prescribed Drug Dose in ml/hour

Calculating IV prescribed Drug Dose in ml/hour. ProCalc Nsg 231. Calculating IV prescribed drug dose in ml/hr.

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Calculating IV prescribed Drug Dose in ml/hour

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  1. Calculating IV prescribed Drug Dose in ml/hour ProCalc Nsg 231

  2. Calculating IV prescribed drug dose in ml/hr • Example 1 An IV of dextrose 5% in water containing 2 mg of Isuprel (isoproterenol) and a total volume of 1, 000 ml is to be infused at a rate of 5 mcg per minute. At how many ml per hour will you infuse the IV? • To find the prescribed ml/hour: • Step 1 – Write down the dosage rate • Step 2 – Write down the IV strength • Step 3 – Write down the conversion factors • Step 4 – Reduce units • Step 5 – Perform the math

  3. Calculating IV prescribed drug dose in ml/hr • Example 1 An IV of dextrose 5% in water containing 2 mg of Isuprel (isoproterenol) and a total volume of 1, 000 ml is to be infused at a rate of 5 mcg per minute. At how many ml per hour will you infuse the IV? • To find the prescribed ml/hour: • Step 1 – Write down the dosage rate • Step 2 – Write down the IV concentration • Step 3 – Write down the conversion factors • Step 4 – Reduce units • Step 5 – Perform the math Step 1 Step 2 Step 5 Step 3 5 mcg 1 min 1000 ml 2 mg 1 mg 1000 mcg 60 min 1 hr x 5 x 1000 x 1 x 60 ml 300,000 ml x = = x = 150 ml hr 1 x 2 x 1000 x 1 hr 2,000 hr Step 4

  4. Calculating IV prescribed drug dose in ml/hr Step 5 repeated • Another way to perform the math • Reducing the numbers 1 1 30 x 2 5 x 1000 x 1 x 60 ml 1 x 2 x 1000 x 1 hr 5 x 1 x 1 x 30 ml 150 ml = = = = 150 ml hr 1 x 1 x 1 x 1 hr 1 hr 1 1

  5. Calculating IV prescribed drug dose in ml/hr • Example 2 An IV of dextrose 5% in water containing 2 mg of Levophed (norepinephrine bitartrate) and a total volume of 250 ml is to be infused at a rate of 7 mcg per minute. At how many ml per hour will you infuse the IV? • To find the prescribed IV ml/hour: • Step 1 – Write down the dosage rate • Step 2 – Write down IV concentration • Step 3 – Write down the conversion factors • Step 4 – Reduce units • Step 5 – Perform the math Step 1 Step 2 Step 3 Step 5 7 mcg 1 min 250 ml 2 mg 1 mg 1000 mcg x 60 min 1 hr 105,000 ml 7 x 250 x 1 x 60 ml x x = = 1 x 2 x 1000 x 1 hr 2000 hr Step 4 = 52.5 ml/ hr rounds to 53 ml/hr

  6. Calculating IV prescribed drug dose in ml/hr Step 5 repeated • Another way to perform the math • Reducing the numbers Step 5 1 4 x 15 1 7 x 250 x 1 x 60 ml 1 x 2 x 1000 x 1 hr 105 ml 52.5 ml hr 7 x 1 x 1 x 15 ml = = = = 1 x 2 x 1 x 1 hr 2 hr 4 x 250 1 1 Round the final answer to a whole number. 53 ml hr

  7. Thanks for viewing the Yavapai College Verde Learning Center Tutorial on Calculating IV prescribed drug dose in ml/hr

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