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Order: IV 1/2 NS 100 mL/hr for 8 hours. Calculate rate using macro-drip tubing (20 gtts/mL): gtts/min

Order: IV 1/2 NS 100 mL/hr for 8 hours. Calculate rate using macro-drip tubing (20 gtts/mL): gtts/min

Phlebotomy Essentials
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
Section: Chapter Questions
Problem 1SRQ
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**Order:** IV 1/2 NS 100 mL/hr for 8 hours. Calculate rate using macro-drip tubing (20 gtts/mL): _______ gtts/min --- **Explanation:** 1. **IV 1/2 NS**: This refers to an intravenous infusion of half normal saline solution. 2. **100 mL/hr**: The infusion is set to deliver 100 milliliters per hour. 3. **8 hours**: The total duration for which the infusion is to be administered. 4. **Macro-drip tubing (20 gtts/mL)**: The infusion set uses macro-drip tubing that delivers 20 drops (gtts) per milliliter. 5. **Calculation**: The task is to calculate the drip rate in drops per minute (gtts/min). To calculate the drip rate: - Multiply the volume to be infused per hour (100 mL) by the drop factor (20 gtts/mL). - Divide by 60 minutes to find the rate per minute. Thus: \( \frac{100 \, \text{mL} \times 20 \, \text{gtts/mL}}{60 \, \text{min}} = \frac{2000}{60} = 33.33 \, \text{gtts/min} \) Therefore, the rate is approximately **33 gtts/min**.
Transcribed Image Text:**Order:** IV 1/2 NS 100 mL/hr for 8 hours. Calculate rate using macro-drip tubing (20 gtts/mL): _______ gtts/min --- **Explanation:** 1. **IV 1/2 NS**: This refers to an intravenous infusion of half normal saline solution. 2. **100 mL/hr**: The infusion is set to deliver 100 milliliters per hour. 3. **8 hours**: The total duration for which the infusion is to be administered. 4. **Macro-drip tubing (20 gtts/mL)**: The infusion set uses macro-drip tubing that delivers 20 drops (gtts) per milliliter. 5. **Calculation**: The task is to calculate the drip rate in drops per minute (gtts/min). To calculate the drip rate: - Multiply the volume to be infused per hour (100 mL) by the drop factor (20 gtts/mL). - Divide by 60 minutes to find the rate per minute. Thus: \( \frac{100 \, \text{mL} \times 20 \, \text{gtts/mL}}{60 \, \text{min}} = \frac{2000}{60} = 33.33 \, \text{gtts/min} \) Therefore, the rate is approximately **33 gtts/min**.
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