How many mL should she administer per dose? As a nursing student you will be tested on conversions. How many tablets should the nurse administer to patient X if the available stock strength on the ward is 2.5mg? In this case it’s 650 mg of acetaminophen. Nursing school has been great, until I got to medication math with dimensional analysis. So glad it’s helping you Shel! I had a question when it comes to the set up for a problem of Intermittent and Bolus (IV push) medications where the drug reference states each XX amount of med is to be delivered over x amount of time. In this section you will get a brief review of basic arithmetic calculations and a review of the ratio and proportion method that is used for the calculation of dosages and solutions. So impressed! Your infusion is to run for a total of 5 hours and 3 hours have gone by…so right away we know we are looking at the final TWO HOURS of the infusion. When the intravenous solution has infused at the correct rate for 15 minutes, how much ampicillin will the patient have received (rounded to the nearest tenth of a gram)? What should the rate of flow per minute be if each milliliter contains 60 drops of solution? Clip makes it super easy to turn any public video into a formative assessment activity in Thanks! Write 1mg/min as your starting number. Drug Calculation Exam Practice: Adult. How many mL will the nurse administer for each dose? You should set the pump at ? The best way to teach this, in my opinion, is to utilize examples that are related to the field of nursing. Thanks so much! For example: 750 mL was to infuse over 5 hours via a 15 drop/mL set. I thank you for that. What an excellent resource you have created for nursing students! Not sure why it’s not working for you…but I tried it your way and that works as well! I hope to see you there! Are you a busy nursing or pre-nursing student juggling multiple priorities and a hectic schedule? And don’t be afraid to challenge test questions that are faulty….it’s YOUR education and you deserve a fair and equitable testing environment. This part of a series looking at math calculations used by nurses. Some IV meds only last 1/2 hour, perhaps after an hour, if patient is ok, but still symptomatic, one could repeat the dose, but NEVER EVER give 12 mg at the same time as a first dose. A good tool for supporting active #learning. Play safe always, practice safely always. 4) Now, cross off all your matching units. So…what is the actual question? The doctor prescribes bendroflumethiazide 7.5mg on patient X’s drug chart. Find out what's in your I.V. The medication comes pre-mixed from the pharmacy at a concentration of 5mg/ml. What if you have multiple conversions, medications dosed by weight or even medications dosed by weight AND time? Hang in there!!! If Tania is to receive a total dose of 700 mg, what is the minimum amount of time you should take to infuse this medication? I’m sorry to say that our teacher is not much help on this though we have asked her for help. Great post, sharing with my tribe!! I have a dosage question that is throwing me through the loop. Perfect. By 1/10 do you mean one-tenth? Hope that helps! This has exacerbated my maths anxiety – there seem to be numerous different formulae for intravenous delivery – and l have become totally confused – l might be right off track here Nurse Mo but does your method work for All the infusion calculations? For this type of question, you don’t even need the 0.5mg/2ml…because it’s not a VOLUME question…it’s a TOTAL DOSE question. Download Full PDF Package. Will be bookmarking and sharing FOR SURE!! Keep up the good work! I saw this happen once when the doctor ordered 12mg IVP. Ready? At 0700 there is 500ml of infusion remaining. Dr orders are for 100mcg IM daily available is 0.5mg/ml. I appreciate the time and effort you devoted to explaining each of the different dimensional analyses necessary for medication calculations. Regardless, set up your dimensional analysis like this: I too am having difficulty applying Dementional Analysis to this type of question. What will you reset the flow rate (drop/min) to in order to complete the infusion on time? What part is confusing for you? If it takes 10 hours to run the whole bag, then you have 5 hours left on the bag and your infusion will be complete at 1200. Tagged under: drug,math,nurse,dosage,dose,calculations Good luck!! Let’s do one more easy one… Hi Jasmine…hopefully your instructors are wording the question clearly, but I can see how it might be a little ambiguous. mL per hour. I really want to thank you for showing me a way to tackle something so fearful accuratly. Finally, I get it! You are so great!!! Included topics are dosage calculation, metric conversions, unit conversions, parenteral medications, and … Dosage Calculation Competency • Applicants to the LPN-to-Associate Degree "Bridge"Nursing Program must document competency indosage calculation that is equivalent to the content covered in NUR 135. Can you help me solve this problem? Carry out a quickfire formative assessment to see what the whole class is thinking, Create interactive presentations to spark creativity in class, Student teams can create and share collaborative presentations from linked devices, Turn any public video into a live chat with questions and quizzes, Tried out the canvas response option on @SpiralEducation & it's so awesome! Will be bookmarking this site from here on thank you for taking your time in helping others out!! Use the universal formula below and then divide your final answer by the patient's weight in kg to arrive at mcg/kg/minute. How many mcg/min/kg will the patient receive? They are concept problems that often require critical thinking (not just multiplying and dividing!). If you continue to use this site we will assume that you are happy with it. how do I write the drug calculations to give in ml ? I couldn’t get your numbers to work with sequential dividing of the denominators, which is as written. The nice thing about dimensional analysis is that it works for EVERY type of med math problem EVERY time! Next, you see that your medication comes as 1 GRAM in 10ml of D5W….so you need to convert mg to grams. Thanks. But that’s your professors trying to trick you up! . Hi Kim…there are a few dosage calc quizzes on the site…check the search bar (bottom right) and type in quiz…they should come up! This makes it next to impossible to get a calculation correct. Thanks for spreading the word on how easy and safe dimensional analysis is in medical calculations. , Hi Tayla…this is just a simple conversion from mcg to mg. Absolutely amazing collaboration from year 10 today. Time. • The minimum accuracy rate is 78%, and is the same as the minimum pass rate for traditional four­ Happy Nurses Week and thank you for all you do to help the next generation of nurses! Hey Nurse Mo! Thanks for explaining for dosage calculations formula you did wonderful .I am in dosage calculations class right now as we speak and I am completely new to this also it was seeming to be very hard to me at first. Love the clear language, easy to follow & TOTALLY practical! I’m so happy I’ve found this site. Thanks for this, CW! That’s what they’re trying to do! I loved chemistry…it’s so fascinating! This is ideal for health professionals including nurses, paramedics, pharmacists, medical doctors and others who need to become proficient in calculating drug dosages. I need to pass this one w/o any issues. The drug calculations range in complexity from requiring a simple conversion calculation to a more complex calculation for drugs administered by mcg/kg/min. That’s quite alright! We also know that we have 400 ml remaining in the bag. This nursing test bank set includes 100+ questions broken down into four parts. 0.25 mg tablets are available. Next, cross out the units that are the same…in this case it’s mg. We are no weft with X # of tablets to give our 1 patient. Take these 6 easy steps to ABG analysis; How to avoid the top seven nursing errors; Kid's stuff: Starting I.V.s in peds This is a great example of a dosage calc question designed to trick you! - lesson plan ideas from Spiral. Hi Nurse Mo! Currently undergoing Clin III and we hit pharmacology math. The safest approach to drug calculation is to use the same method for the same type of problem ... All these are important questions to ask yourself in order to be certain you have made a correct calculation. When I was in school (2007-2010), we had nursing math test each semester. So, just use DA to convert your mcg to mg, and that tells you how many mg they will get in their daily dose. Example 1: Drug Made Up From Stock Solution This example illustrates how to work out injections or orally taken drugs made up from stock solution – for example, working out how many mLs to inject when the drug is in a stock solution. Now I think I have this. Thank you, Any advice you have in approaching intravenous drug calculations for this mature aged nursing student from Australia who’s maths abilities were never brilliant to start with would be so very very welcomewelcome. 26 Full PDFs related to this paper. You are to give 250 mg I.V. It is important to learn how to solve conversions when you start solving drug dosage and calculation problems. Math is my weak spot, so feel free to school me. The doctor has ordered the patient to receive 14mg/hr of medication which comes in a concentration of 2.8 mg/ml. Glad you like!!! 4. Available: Furosemide 10mg/mL Drug reference states each 40 mg of Furosemide to be delivered over 1 min. (did I just say that????) Dosage calculation is one of the very important thing which every medical student should know especially nurse. Kim. my instructor showed us but went thru it very quickly and D/H x V worked for everything, but now on to IV Calculations, I was told that this would be easier. What answer did you get? If you are just starting your…. No matter what the order is, only give 4 mg IVP at a time. This is a great resource for this 50 something on his 3rd career. 2) This is another bizarre calculation…who is making these up for you guys? Tomorrows quiz, should be a breeze . Thank you so much, I wish they would have simply taught dosage calculations using dimensional analysis the entire time I had been in nursing school. Drug Calculations for Health Professionals will be helpful to anyone who has a need or interest in teaching or learning drug calculations. q12h. Hmmm…I saw this as “grams” but CW may be right…did the question writer mean for you to convert from “grains?” I’ve NEVER seen it done, but sometimes nursing school professors try to trick you! Any insight will really be helpful. Lasix 2000mg in 200mL is prescribed at 1 mg per min. Am I omitting a step or did I put too many steps in that I don’t really need? where does it go? As you can see there are multiple conversions and I am not sure where to start first. Maybe I can help clear things up . I have a few dosage quizzes on this site (search for quiz), so definitely do those! pt has infusion of 1000ml D5W infusing at 100ml/hr. Hi Brandy, I have a series of YouTube videos on pharmacy calculations, and I stress how this method can be used for so many different types of calculations. You help me a lot for this awesome “DOSAGE CALCULATIONS THE EASY WAY” I am not a nurse, I have been a research scientist and teacher for a long time. Clip, Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching So, gr 1/10 = 6 mg How many mL will the nurse give? I believe the answer would be 0.25 mL but I thought it meant equal doses so I divided by three and put 0.08‍♀️. Order: zofran 8mp p.o. Hi Nurse Mo, I have been practicing and the instructors have sent us practice problems. Thanks for your insights and the explanation on dimensions. I’m glad I’m here too! It’s the 2000mg in 200ml. To avoid cardiac complications, this powerful medication must be administered slowly at a rate not to exceed 50mg per minute. If you want to figure out how many hours total, you just need to divide 1000 by 100 and you’ll get 10 hours. In this post, we are going to provide you with EVERYTHING you need to simplify med math. Then, you use your medication of 10 ml containing 1 gram of medication. Thanks!! YOU GOT THIS! For this calculation, let’s assume midazolam comes in 5 mg tablets. Level 1 Dimensional Analysis Thank you anyway, hopefully my brain remembers now! Then multiply across the top and divide across the bottom to get 0.25 tablets. Fantastic! OMG! Margaret W. Dearest Nurse Mo, We’ll start at level 1….super easy ones to give you a feel for the technique. After 3 hours, 400 mL remains to be infused. However, questions with g, mg, mcg make my brain hurt. I don’t know how to formulate nor work through this problem: Check and let me know! This paper. In dimensional analysis, you always start with what’s ordered. Awesome post!! Everything except for tablets is crossed out, so we know we are ready to do some math. https://straightanursing.mykajabi.com/dosage-bootcamp, Nursing care of the patient with a GI bleed. I am preparing for my NCLEX-RN right now and been struggling with these computations since I finished my BSN in my country long time ago 2008. The Team Up app is unlike anything I have ever seen. I also teach you a method that gets you thinking critically about dosage calculations questions…they’re not just math problems. 1) Multiply across the top: 650 x 1 Calculation of IV drip rates and drug doses has never been simpler with the ability to switch between different types of measurements on the fly - present your calculation results exactly … The question reads…. Segundo Corcuera. Hi Emma, 2) Then divide across the bottom: ÷ 325. You’re not going to let them!!! I am debating making a video but hate how I look on camera! Maddrey…I always multiply across the top, hit the equal sign, then divide all across the bottom and hit the equal sign one last time. How’d you do? Objective 2: At the end of this lesson the learner will be able to accurately convert patient weight We’re on to their sneaky ways! From there it’s pretty easy to figure out that if you’re going to give 8 ml over 2 minutes, you’ll give 4 ml per minute. T.i.d Several days later, after patient was admitted to ICU but improved and was discharged, the pharmacy admitted it was an OD. This comes from the pediatric section. You, have done a great job simplifying a complicated subject. So, you’re first fraction will be the order: 0.2/1. Patient requires 4mg of Andensetron iv push over 2to 5 minites 400 ml/2 hours x 1 hr/60 min x 15 gtt/1 ml =. This is a great tool to help students, nurses, paramedics, allied health professionals and doctors to sharpen their skills or maintain competency. It is important to know the recognized abbreviations in clinical setting so you will not be lost when preparing medications for your patient. In this section are the practice problems and questions for drug dosage calculations. Best of luck with your calculations exam! gr 1/10 Follow these four steps to easily calculate your patient's accurate drug dosage. As we move forward into more complicated calculations, it will become more evident that you know when to stop conversions when you are left only with the information needed to give the dose. I have a calculation, and I was wondering if you could help me with it. Firstly thanks for your fab site – as a fifty something mature aged student l am struggling with the drug calculations side of it – my problem is l am overthinking everything and l am surrounded by young bright things who appear to ‘get it’ no problems. How do you know if Dosage Calculations Bootcamp can help? Your order reads: I don’t know of other resources…I would just do as many practice questions as possible. I am at a loss trying to figure out how to set up this problem. in the last problem what happened with the unit PT. ideas for Hi Mary, When you cancel out your units, you are only left with ml (which is what you want!). Dosage Calculations: IV Drip Factor Posted on December 3, 2018 | by Mike Linares Assuring that every patient is provided with the appropriate medication and dose is fundamental in safeguarding their welfare; this is one of the primary responsibilities of the healthcare team, especially the nurses. It should say somewhere in the question something about the vial it comes in, or how to reconstitute it. Therefore, the nurse should administer 0.4 mL of furosemide. Can you help me set this type of problem up using dimensional analysis? How many mg will be given in 7 days? View @straightanurse’s profile on Twitter, View straightanurse’s profile on Instagram, View UCJK-mbh6udF6WNYdjJQ-LYA?’s profile on YouTube. I am a Professor teaching basic chemistry to incoming freshman nursing students. Write out 60min/1hr. Available:Morphine 10 mg/mL Thank you for this post – I had watched about 40 different Youtube videos covering nursing numeracy but nothing seemed to click aha! I promise! The next step is to add the conversion factor also as a fraction. Find the volume • Set up a series of ratios and proportions to solve a single dosage calculation. NOW you have your conversion factor, and it should be super simple to set up your dimensional analysis now…, 8 mg/1 x 100ml/80mg = 10ml (which is two teaspoons…if each teaspoon is 4mg, then this answer makes perfect sense…you’d get 8mg total dose). And yes…ALWAYS go with your gut. This site uses Akismet to reduce spam. 0.1gram/1 x 1000mg/1gram x 1ml/10mg = 10ml morphine (which in this case, is 100 mg morphine and your patient would die). You’re so welcome! Performing the Calculations Needed for Medication Administration. For the second part, the question is really asking…how much ampicillin will the patient receive each minute? The key is knowing which information you need for each calculation…once you figure that out, the calculations are pretty simple! I can’t seem to figure out how to set it up, or solve it for that matter. Did you by any chance end up creating the dosage calc quiz that you mentioned at the end of your post? A patient is ordered 70mg of pethidine. Notice that you have “min” on the bottom of your first number…the next conversion you need is 60min per hour so write that next with the “min” on the top (since it was on the bottom in the first number). These planners are designed specifically for nursing students to help you stay happy, healthy and stress-free in nursing school. I really enjoyed learning from you, you made it fun and that’s what kept me in the game. gr (grain) 1 = 60 mg I was wondering if we can try one of our problems? 100% engagement and constant smiles from all #lovetsla #spiral. The answer is 2.5 tablets . I know there is going to be a lot of converting, I’m just unsure on where to begin. In this case it is 250mg. Administering intravenous (IV) therapy to patients requires you to develop your competency in the following two areas: mathematics, so that you can work out correct dosages and understand the effect of IV drugs and fluids on the body; and administration techniques, so that you employ the correct means, use the correct equipment and monitor the […] 1) The trick with this one is to know how many ml per teaspoon (it is 5ml per teaspoon). #R10tech. I appreciate you taking the time do this! This one is deceptively simple with the unnecessary conversion showing that 4mg/1tsp. ? We start at the very beginning with the basics and then build your skills and confidence until you are able to easily master even the most challenging calculations. Happy Nurses Week to you, too! For example, I had a question that the nurse was to administer 11 mcg three times a week, what’s available is 22 mcg/0.5 mL. I need help answering two questions. In this case..the question we are ACTUALLY asking is “You have 400 ml of fluid that needs to be infused in 2 hours with a drop factor of 15 gtt/ml.” Once you know where to START, the rest is a piece of cake! Regards Iam from Kenya, preparing for NCLEX RN.you have made my day. We use cookies to ensure that we give you the best experience on our website. I have no idea if it does, but we’re just practicing so it’s all good. I’ve never had an issue before passing a med math test, but failed mine a few weeks ago after taking 2 tests over 225 questions, an essay style quiz on Patricia Benner and 1 math test w/ a pass or fail. 7.5mg / 2.5mg = 3 tablets; Answer: 3 tablets are required; How to calculate a liquid medication dosage If you’re looking for extra help with dosage calculations, my Dosage Calculations Bootcamp might be a good fit for you You can check it out here: https://straightanursing.mykajabi.com/dosage-bootcamp. Hi! The simplest way to do it is to figure out how many mg your entire bottle of zofran contains. Thanks! Any assistance you can give is greatly appreciated!! An excellent resource you have multiple conversions, medications dosed by weight or even dosed... You devoted to explaining each of the denominators, which is as written nursing school phenytoin for. Throws many of us off, as they often won ’ t really a analysis... 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