Weight-Based Dosage Calculations | Drug Medication Calculations by Weight Nursing Students (Video 6)

RegisteredNurseRN
26 Aug 201613:45
EducationalLearning
32 Likes 10 Comments

TLDRThe video script is an educational tutorial for registered nurses on weight-based dosage calculations. It covers the process of converting patient weight to kilograms, calculating dosages for medications like acyclovir, heparin, dopamine, and lovenox, and adjusting infusion rates and injection volumes according to the doctor's orders. The instructor emphasizes the importance of practice and provides resources for further learning and quizzing on the topic.

Takeaways
  • 📝 The video is part of a dosage and calculation series aimed at registered nurses, focusing on weight-based dosage calculations.
  • 🎓 Access supplementary materials like worksheets and quizzes on the speaker's website for additional practice.
  • 💊 Acyclovir dosage calculation: Convert patient weight to kilograms, then calculate milligrams per dose based on the weight and supplied concentration.
  • 🩺 Dimensional analysis is a useful method for solving dosage problems, helping to maintain the correct units throughout the calculation.
  • 🌡️ Heparin infusion rate calculation: Determine the patient's weight in kilograms and calculate the required milliliters per hour based on the doctor's order and supply bag concentration.
  • 💉 Dosage adjustments for dopamine drip: Convert the doctor's order from micrograms to milligrams and calculate the hourly administration rate based on the patient's weight and supplied bag.
  • 📊 Lovenox sub-q injection dosage: Convert patient weight to kilograms and determine the required milliliters per dose using the syringe's concentration.
  • 🔄 Conversion between units is crucial in dosage calculation, such as from pounds to kilograms, milligrams to micrograms, and minutes to hours.
  • 📝 Practice is essential for mastering weight-based dosage calculations, so engaging in repeated problem-solving is highly recommended.
  • 🎯 Always round dosage calculations to the nearest appropriate value, such as tenths of a milliliter, to ensure accurate administration.
  • 👩‍⚕️ The speaker emphasizes the importance of understanding each step in the calculation process to correctly administer weight-based dosages.
Q & A

  • What is the main topic of the video?

    -The main topic of the video is weight-based dosage and calculations for medications.

  • How can viewers access more review and practice materials on dosage and calculation?

    -Viewers can access more review and practice materials by visiting the playlist above the video and going to the website registerednurseorion.com to take free quizzes.

  • What is the medication and dosage ordered by the doctor in the first problem?

    -In the first problem, the doctor ordered 12 milligrams per kilogram of acyclovir.

  • How can the dosage of acyclovir be calculated for a patient who weighs 115 pounds?

    -To calculate the dosage, first convert the patient's weight from pounds to kilograms, then multiply the weight in kilograms by the ordered dosage (12 mg/kg). The medication is supplied as 100 mg per 2 mL, so further calculations are needed to determine the volume in milliliters to administer per dose.

  • What is the final calculated dose of acyclovir for the patient in the first problem?

    -The final calculated dose of acyclovir for the patient is 12.5 milliliters per dose.

  • How does the nurse set the infusion rate for a heparin drip based on the doctor's order and the supply information?

    -The nurse first converts the patient's weight to kilograms, then calculates the required units per hour based on the doctor's order. After that, the nurse uses the supply information to determine how many milliliters per hour to set the infusion rate.

  • What is the final infusion rate set for the heparin drip in the second problem?

    -The final infusion rate set for the heparin drip is 18.2 milliliters per hour.

  • What are the additional steps needed to calculate the dosage for the dopamine drip in the third problem?

    -In the third problem, the nurse needs to convert the patient's weight to kilograms, the ordered dosage from micrograms to milligrams, and also convert the time unit from minutes to hours.

  • What is the final calculated infusion rate for the dopamine drip?

    -The final calculated infusion rate for the dopamine drip is 46.2 milliliters per hour.

  • How does the nurse determine the dosage for a subcutaneous injection like Lovenox?

    -The nurse first converts the patient's weight to kilograms, then calculates the required milligrams based on the doctor's order. Finally, the nurse uses the syringe information to convert the dosage to milliliters and determine the volume to inject.

  • What is the final calculated dose of Lovenox for the patient in the fourth problem?

    -The final calculated dose of Lovenox for the patient is 1.4 milliliters per dose.

Outlines
00:00
📝 Weight-Based Dosage Calculations: Acyclovir and Heparin

This paragraph introduces the concept of weight-based dosage calculations for medications, using acyclovir and heparin as examples. The speaker, a registered nurse named Sears, explains the importance of converting the patient's weight from pounds to kilograms and then calculating the appropriate dosage based on the doctor's order. The video provides a step-by-step guide on how to calculate the dosage of acyclovir, which is 12 milligrams per kilogram, for a patient weighing 115 pounds. The speaker also discusses the process of converting the dosage of heparin, ordered at 12 units per kilogram per hour, for a patient weighing 200 pounds. The paragraph emphasizes the use of dimensional analysis as a method to solve these problems and encourages viewers to practice these calculations to improve their skills.

05:04
💊 Dosage Calculation for Dopamine and Lovenox

In this paragraph, the speaker continues the discussion on weight-based dosage calculations, this time focusing on dopamine and Lovenox. The speaker explains how to convert the patient's weight to kilograms and then calculate the dosage based on the doctor's orders. For dopamine, the order is 10 micrograms per kilogram per minute, and the patient weighs 170 pounds. The speaker guides the viewer through the process of converting micrograms to milligrams and then calculating the required milliliters per hour for the infusion. For Lovenox, the speaker explains how to determine the dosage based on the patient's weight (155 pounds) and the syringe's measurement (40 milligrams per 0.4 mL). The paragraph concludes with a reminder to practice these calculations and to take a quiz on the speaker's website for further assessment.

Mindmap
Keywords
💡Weight-based dosage
Weight-based dosage is a method of calculating the amount of medication to be administered to a patient based on their body weight. This approach ensures that the dosage is tailored to the individual's size and weight, optimizing the therapeutic effect and minimizing the risk of adverse effects. In the video, the nurse explains how to calculate weight-based dosages for various medications, such as acyclovir and heparin, using the patient's weight in kilograms as a key factor in the calculation process.
💡Dimensional analysis
Dimensional analysis is a systematic method used to convert units of measurement in calculations by using the relationships between different units. It helps in simplifying complex medication dosage calculations by canceling out unwanted units and obtaining the desired unit, such as milliliters or milligrams. In the video, the nurse uses dimensional analysis to convert between different units, such as pounds to kilograms and milligrams to milliliters, to determine the correct dosage of medication.
💡Acyclovir
Acyclovir is an antiviral medication used to treat various viral infections, including herpes simplex and shingles. In the video, the nurse discusses how to calculate the dosage of acyclovir based on the patient's weight, highlighting the importance of accurate dosage calculation to ensure the effectiveness and safety of the medication.
💡Heparin
Heparin is a blood-thinning medication used to prevent and treat blood clots. In the context of the video, the nurse explains how to calculate the infusion rate for heparin based on the patient's weight, converting the doctor's order from units per kilogram per hour to milliliters per hour for the infusion pump.
💡Dopamine
Dopamine is a medication that is used to support blood pressure in certain conditions. It is typically administered as a drip, and the dosage is carefully adjusted based on the patient's weight and response to treatment. In the video, the nurse explains how to calculate the dosage of dopamine in milliliters per hour, taking into account the conversion from micrograms to milligrams and from minutes to hours.
💡Lovenox
Lovenox, also known as enoxaparin, is a type of blood thinner used to prevent and treat blood clots. In the video, the nurse discusses how to calculate the subcutaneous (sub-q) injection dosage of Lovenox based on the patient's weight, using a syringe that indicates the medication's concentration in milligrams per milliliter.
💡Calculations
Calculations in the context of the video refer to the mathematical processes required to determine the correct dosage of medication for a patient based on their weight. These calculations are crucial for safe and effective medication administration, ensuring that patients receive the appropriate amount of medication as prescribed by their healthcare provider.
💡Nurse
In the video, the term 'nurse' refers to a registered nurse who is providing educational content on medication dosage calculations. The nurse's role is to ensure that medications are administered safely and effectively, which includes accurately calculating weight-based dosages and ensuring proper administration techniques.
💡Worksheet
A worksheet is a document containing exercises or problems for students to solve, often used as a supplementary educational material. In the video, the nurse mentions a worksheet that accompanies the lesson on weight-based dosage calculations, allowing viewers to practice the concepts and calculations discussed.
💡Practice
Practice in the context of the video refers to the repetition and application of the skills and knowledge related to medication dosage calculations. Regular practice is essential for nurses and healthcare professionals to become proficient in accurately calculating and administering the correct dosages of medications to patients.
💡Website
In the video, the term 'website' refers to the online platform where the nurse, 'Sears RN', provides additional educational resources and practice quizzes related to medication dosage calculations. The website serves as an extension of the video content, offering further opportunities for learning and skill development.
Highlights

The video is part of a dosage and calculation series aimed at providing educational content for nursing students and professionals.

A worksheet is available for download to practice weight-based dosage and calculation problems along with the video.

The importance of practicing dosage and calculation problems is emphasized for mastering the concepts.

The first problem involves calculating the correct dosage of acyclovir based on the patient's weight in pounds.

Acyclovir is supplied in a concentration of 100 milligrams per 2 milliliters.

Dimensional analysis is introduced as a method for solving dosage calculation problems.

The second problem involves a heparin infusion with a doctor's order of 12 units per kilogram per hour.

The heparin supply is a 30,000 unit per 500 milliliter bag.

The third problem discusses a dopamine drip with a doctor's order of 10 micrograms per kilogram per minute.

The dopamine supply is a 500 milligram per 500 milliliter bag.

The fourth problem addresses a lovenox sub-q injection with a doctor's order of two milligrams per kilogram daily.

The lovenox supply is a syringe that reads 40 milligrams per 0.4 milliliters.

The video provides a step-by-step guide on converting units and performing calculations for each dosage problem.

The video encourages viewers to take a free quiz on the presenter's website for additional practice.

The presenter emphasizes the importance of repetition in practice for improving proficiency in dosage calculations.

The video concludes with a call to action for viewers to subscribe to the YouTube channel for more educational content.

Transcripts

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Related Tags
Nursing CalculationsWeight-Based DosagePharmacologyNurse EducationMedication SafetyDimensional AnalysisHeparin InfusionDopamine DripAcyclovir DosageLovenox Injection