IV Flow Rates Infusion Drips Hourly Rate mL/hr Dosage Calculations Nursing

RegisteredNurseRN
24 May 202210:32
EducationalLearning
32 Likes 10 Comments

TLDRIn this informative video, Sarah from registerednessrn.com demonstrates how to perform IV flow rate and dosage calculations, focusing on determining the hourly rate in milliliters per hour. She uses a formulaic approach, explaining the process with clarity and precision. The video covers various scenarios, including conversions between liters and milliliters, and introduces the concept of drop factors for more detailed calculations. Sarah also mentions additional resources for practice and further explanation, emphasizing the importance of understanding different methods to solve these common medical calculations.

Takeaways
  • 📝 The video focuses on solving IV flow rate dosage calculations, specifically for hourly rates in milliliters per hour.
  • 🧪 Various methods can be used for dosage calculations, but the video emphasizes using a formula for this tutorial.
  • 📊 The formula mentioned is: (total volume ordered) / (total hours for infusion) = milliliters per hour.
  • 🏥 An example given is calculating an infusion of 500 milliliters over 8 hours, resulting in 62.5 ml/hour, rounded to 63 ml/hour.
  • 📈 Another example involves converting liters to milliliters, as in the case of 2 liters infused over 12 hours, yielding 167 ml/hour.
  • 🔄 The video also covers calculating the total volume for a given hourly rate, such as with 167 ml/hour for 12 hours, totaling 2000 milliliters.
  • 💧 A problem with a different scenario is presented, where one liter is infused over 6 hours with a drop factor of 15 drops per milliliter.
  • 🎛️ The concept of drop factor is introduced, which is the number of drops required to make one milliliter of solution and is provided by the IV tubing package.
  • 🕒 A formula for calculating drops per minute is presented, which involves dividing the hourly rate by the number of minutes in an hour and then multiplying by the drop factor.
  • 📝 The video provides an alternative method to find drops per minute by using the previously calculated hourly rate instead of starting with the total volume.
  • 📱 The video concludes with an encouragement to access more videos in the series through a link provided in the YouTube description.
Q & A

  • What is the main topic of the video?

    -The main topic of the video is solving IV flow rate dosage calculations, specifically for hourly rates in milliliters per hour.

  • What method does Sarah use to solve the dosage calculations in this video?

    -In this video, Sarah uses a formulaic approach to solve the dosage calculations, as opposed to the dimensional analysis method she used in previous videos.

  • How does the formula for calculating hourly rate in milliliters per hour work?

    -The formula for calculating the hourly rate works by dividing the total volume of the infusion (in milliliters) by the total hours of infusion. The result gives the milliliters per hour that should be administered to the patient.

  • What is the first problem Sarah solves in the video?

    -The first problem Sarah solves is calculating the hourly rate for a patient who needs to receive 500 milliliters over an 8-hour period. The calculated hourly rate is 62.5 milliliters per hour, rounded to 63 milliliters per hour.

  • How does one convert liters to milliliters for the formula?

    -To convert liters to milliliters, one must remember that 1 liter is equal to 1000 milliliters. Therefore, for the purpose of the formula, 2 liters would be converted to 2000 milliliters.

  • What is the hourly rate calculation for a patient receiving 2 liters over 12 hours?

    -For a patient receiving 2 liters over 12 hours, the hourly rate calculation is 2000 milliliters divided by 12 hours, which equals 166.66 milliliters per hour, rounded to 167 milliliters per hour.

  • How does the problem change when calculating the total volume instead of the hourly rate?

    -When calculating the total volume instead of the hourly rate, you multiply the hourly volume by the total hours of infusion, rather than dividing the total volume by the infusion hours.

  • What is the drop factor in IV infusion and where does it come from?

    -The drop factor refers to the number of drops it takes to create one milliliter of solution being infused. This information comes from the IV tubing package and can vary depending on the specific tubing used.

  • How does one calculate drops per minute when given an hourly rate and a drop factor?

    -To calculate drops per minute, you first determine the hourly rate in milliliters, then divide this by the number of minutes in an hour (60), and finally multiply by the drop factor to get the drops per minute.

  • What is the hourly rate and drops per minute for a patient receiving 1 liter over 6 hours with a drop factor of 15 drops per milliliter?

    -The hourly rate for this scenario is 167 milliliters per hour. To calculate the drops per minute, you would divide 167 milliliters by 60 minutes and multiply by the drop factor of 15, resulting in 42 drops per minute.

  • Can the hourly rate be used to calculate drops per minute directly?

    -Yes, the hourly rate can be used to calculate drops per minute directly by dividing the hourly rate (in milliliters per hour) by 60 (minutes per hour) and then multiplying by the drop factor.

Outlines
00:00
📝 Introduction to IV Flow Rate Calculations

This paragraph introduces the topic of Intravenous (IV) flow rate calculations, emphasizing the importance of accurately determining the dosage for patients. Sarah, the speaker, explains that she will be using a specific formula to solve for the hourly rate in milliliters per hour. She also mentions that viewers will have access to a free quiz for additional practice after watching the video. The paragraph highlights the flexibility in methods for solving dosage calculations and the need to follow the requirements set by one's program.

05:01
🧪 Converting Units and Applying the Formula

In this paragraph, the speaker delves into the process of converting units and applying the IV flow rate calculation formula. She explains how to convert liters to milliliters and then use the formula to find out the hourly rate when given a total volume and time frame. The paragraph also covers the conversion of the total volume in liters to milliliters and the division by the total hours of infusion to get the hourly rate in milliliters per hour. Sarah provides a step-by-step walkthrough of the calculations, including rounding to the nearest whole number for practical application.

10:02
🕒 Solving for Total Volume and Drops Per Minute

This paragraph focuses on solving for the total volume of infusion and calculating the drops per minute. The speaker introduces the concept of drop factors, which are crucial for understanding how many drops make up a milliliter of solution. She explains how to use the formula to calculate the total volume for a given hourly rate and infusion time. Furthermore, Sarah demonstrates how to calculate the drops per minute by dividing the hourly rate by the number of minutes in an hour and then multiplying by the drop factor. The paragraph emphasizes the importance of accurate calculations to ensure proper patient care.

Mindmap
Keywords
💡IV Flow Rate
IV Flow Rate refers to the speed at which intravenous fluids are administered to a patient. It is a critical aspect of patient care, ensuring the correct dosage is delivered over a specific time period. In the video, the host discusses how to calculate the hourly rate of infusion in milliliters per hour, using a formula to determine the appropriate rate for different scenarios.
💡Dosage Calculations
Dosage Calculations are the mathematical processes used to determine the correct amount of medication to be administered to a patient. This is crucial in healthcare to avoid under or overdosage. The video focuses on calculating the hourly rate for IV infusions, emphasizing the importance of accuracy in these calculations to maintain patient safety.
💡Milliliters per Hour
Milliliters per Hour is a unit of measurement used in healthcare to express the rate of IV fluid administration. It indicates the volume of fluid, in milliliters, that should be delivered to a patient each hour. The video script provides examples of calculations to find this rate based on the total volume ordered and the infusion duration, as seen in the problem where 500 milliliters are to be infused over eight hours.
💡Total Volume
Total Volume refers to the entire quantity of a solution or medication that is to be administered to a patient. In the context of the video, it is the overall amount of IV fluid that a physician has ordered for a patient's treatment. The script explains how to use this total volume in calculations to find the hourly infusion rate.
💡Infusion Duration
Infusion Duration is the total length of time over which a medication or IV fluid is administered to a patient. It is a key factor in determining the appropriate flow rate. The video discusses how to use the infusion duration in calculations, such as dividing the total volume by the number of hours to find the hourly rate in milliliters per hour.
💡Drop Factor
Drop Factor is a measurement used in intravenous therapy that indicates the number of drops per milliliter of fluid. It is essential for converting between different units of measurement, such as from milliliters per hour to drops per minute. In the video, the host explains how to use the drop factor to calculate the drops per minute when given a certain flow rate and total volume.
💡Dimensional Analysis
Dimensional Analysis is a mathematical method used to solve problems by converting quantities to the same units and simplifying the equation. In the video, it is mentioned as a method the host has used in previous videos to solve for the hourly rate, highlighting the importance of using appropriate methods for dosage calculations in healthcare.
💡Free Quiz
The Free Quiz mentioned in the video is an additional resource provided for viewers to test their understanding and practice their skills in IV flow rate and dosage calculations. It serves as a supplementary learning tool to reinforce the concepts taught in the video.
💡Metric Conversions
Metric Conversions are the processes of converting between different units in the metric system, such as from liters to milliliters. This is necessary when dealing with different volumes in medication administration, as shown in the video where liters are converted to milliliters for calculations.
💡Hourly Rate
Hourly Rate in the context of the video refers to the volume of IV fluid that should be administered to a patient each hour, as determined by calculations based on the total volume and infusion duration. It is a critical aspect of IV therapy to ensure proper medication delivery and is the primary focus of the calculations discussed in the video.
💡Drop per Minute
Drop per Minute is the rate at which IV fluids are administered in terms of the number of drops per minute. This is important in healthcare settings where precise control of medication delivery is required. The video provides an example of calculating the drop per minute rate based on the hourly rate and the drop factor, as seen in the scenario where the patient is to receive one liter over six hours with a drop factor of 15 drops per milliliter.
Highlights

Sarah introduces herself and the topic of IV flow rate dosage calculations.

The video focuses on solving for hourly rate in milliliters per hour.

A free quiz is available for additional practice after watching the video.

Multiple methods can be used for dosage calculations, depending on personal preference and program requirements.

The formula for calculating hourly rate is based on total volume and total infusion hours.

A problem example: calculating the hourly rate for a patient to receive 500 milliliters over 8 hours.

The calculation results in 62.5 milliliters per hour, rounded to 63 milliliters per hour.

Another problem example: calculating the hourly rate for 2 liters infused over 12 hours.

Conversion from liters to milliliters is necessary for the 2-liter problem.

The hourly rate for the 2-liter problem is 167 milliliters per hour.

A third problem involves calculating the total volume for an infusion rate of 167 milliliters per hour over 12 hours.

The total volume calculation results in 2000 milliliters.

A problem with a drop factor is introduced, requiring calculation of drops per minute in addition to hourly rate.

Drop factor information is obtained from the IV tubing package.

The hourly rate for 1 liter infused over 6 hours is calculated to be 167 milliliters per hour.

A formula for calculating drops per minute is introduced and applied to the problem.

The drops per minute calculation results in 42 drops per minute.

An alternative method for calculating drops per minute using the previously found hourly rate is presented.

The video concludes with a summary of the process for solving hourly flow rate problems.

Transcripts

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