A nurse needs to administer 30 mcg of Nitroglycerin per minute IV. Available from the pharmacy is 250 ml bag of NS with 50 mg nitroglycerin. How many milliliters per hour will the nurse set the IV pump at?

Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
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### Medication Calculation for IV Pump

**Problem Statement:**
A nurse needs to administer 30 mcg of Nitroglycerin per minute IV. Available from the pharmacy is a 250 ml bag of normal saline (NS) with 50 mg of nitroglycerin. How many milliliters per hour will the nurse set the IV pump at?

**Solution:**

To determine the IV flow rate in milliliters per hour (ml/hr), follow these steps:

1. **Convert Milligrams to Micrograms:**
   50 mg of nitroglycerin = 50,000 mcg

2. **Calculate the Concentration:**
   Concentration of nitroglycerin in the bag = 50,000 mcg / 250 ml
                                            = 200 mcg/ml

3. **Determine the Desired Dosage Rate:**
   Required dose = 30 mcg/minute

4. **Convert Minutes to Hours:**
   30 mcg/minute = 30 mcg/minute × 60 minutes/hour
                 = 1800 mcg/hour

5. **Calculate the IV Flow Rate:**
   IV flow rate = Desired dosage rate / Concentration
                = 1800 mcg/hour / 200 mcg/ml
                = 9 ml/hour

Therefore, the nurse should set the IV pump to deliver **9 milliliters per hour**.

### Graph Explanation (if applicable)
*Note: There is no graph or diagram included with the original problem statement.*
Transcribed Image Text:### Medication Calculation for IV Pump **Problem Statement:** A nurse needs to administer 30 mcg of Nitroglycerin per minute IV. Available from the pharmacy is a 250 ml bag of normal saline (NS) with 50 mg of nitroglycerin. How many milliliters per hour will the nurse set the IV pump at? **Solution:** To determine the IV flow rate in milliliters per hour (ml/hr), follow these steps: 1. **Convert Milligrams to Micrograms:** 50 mg of nitroglycerin = 50,000 mcg 2. **Calculate the Concentration:** Concentration of nitroglycerin in the bag = 50,000 mcg / 250 ml = 200 mcg/ml 3. **Determine the Desired Dosage Rate:** Required dose = 30 mcg/minute 4. **Convert Minutes to Hours:** 30 mcg/minute = 30 mcg/minute × 60 minutes/hour = 1800 mcg/hour 5. **Calculate the IV Flow Rate:** IV flow rate = Desired dosage rate / Concentration = 1800 mcg/hour / 200 mcg/ml = 9 ml/hour Therefore, the nurse should set the IV pump to deliver **9 milliliters per hour**. ### Graph Explanation (if applicable) *Note: There is no graph or diagram included with the original problem statement.*
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