My advice is to work through the tutorial step by step, then check out the other posts on dosage calculations and the sample quiz. I also teach you a method that gets you thinking critically about dosage calculations questions…they’re not just math problems. I have a calculation, and I was wondering if you could help me with it. So…what is the actual question? 7.5mg / 2.5mg = 3 tablets; Answer: 3 tablets are required; How to calculate a liquid medication dosage You help me a lot for this awesome “DOSAGE CALCULATIONS THE EASY WAY” I have the science part down, but I need insight into the daily lives of nursing students and nurses in general. When it comes to doing nursing math, which is essentially figuring out dosage amounts, the absolute best, easiest and most foolproof way to do it is by using dimensional analysis. Hi Mary, Somehow, the medical community got stuck on ratio/proportion while chemists, physicists, I have the “desire” over “have” times “volume” (D/H X Vol) down with no problem. So, when you are teaching dimensional analysis maybe throw in a few samples that are related to med dosing…when discussing chemistry, try to relate it to the field of nursing whenever you can. 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 ideal for health professionals including nurses, paramedics, pharmacists, medical doctors and others who need to become proficient in calculating drug dosages. In this post, we are going to provide you with EVERYTHING you need to simplify med math. You left NOTHING out! 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. A good tool for supporting active #learning. I have made many specialty transitions throughout my career; seldom was dosage comp on my list of expertise. that one just through me off. T.i.d The question reads…. I have been BURIED!!! 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. I appreciate the time and effort you devoted to explaining each of the different dimensional analyses necessary for medication calculations. Hi Brandy, pt has infusion of 1000ml D5W infusing at 100ml/hr. How many tablets should the nurse administer to patient X if the available stock strength on the ward is 2.5mg? In this section are the practice problems and questions for drug dosage calculations. Single. Hello I have a case study. Check out our planners for the ultimate time-management, goal-setting and life enhancing system available. I often get confused about one thing on my dosage exam and that’s when the question is asking me to divide into equal doses! Therefore, the nurse should administer 0.4 mL of furosemide. 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 will write this as a fraction, with 650 on top and 1 on the bottom like so: Next, you need to know what dosage amounts your medication comes in. Multiply across the bottom line. Any insight will really be helpful. Good catch! Nursing topics included are medication administration, dosage calculations, general concepts about nursing pharmacology, cardiovascular drugs, antibiotics and anti-infectives, neurological medications, psychiatric medications, drugs for the respiratory system, gastrointestinal system, and endocrine system. I’m sorry to say that our teacher is not much help on this though we have asked her for help. thank you this makes it all five times easier!! 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. Your patient weighs 18.62kg. Everything except for tablets is crossed out, so we know we are ready to do some math. What will you reset the flow rate (drop/min) to in order to complete the infusion on time? 30ml/25min x 60 gtt/ml…multiply across the top (30 x 60), then divide across the bottom (divide by 25) and you get 72gtt/min. Step 1: The strength required: 7.5mg; Stock strength: 2.5mg; Step 2. Download PDF. So as always, start with the order…so it looks like your order is for 0.2 grams medication. Implying we were dividing all of those numbers by each other straight across, but they work when multiplied. 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. This part of a series looking at math calculations used by nurses. Great post, sharing with my tribe!! That’s a simple calculation with one conversion. 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! The whole thing looks like this: 0.2g/1 x 1000mg/1g x 1 tab/80mg…you’ll see that you cross out g and mg, and you are left with tablets…which is what you want! Nursing Drug Calculations Made Easy: Comprehensive Guide to Understand&Carry out Medical Drug Calculations;the Easy Way Approach Plus all You Need toKnow About the Basics of Drug Calculations&Formulas: Roland, Doctor Jimmy S.: 9781091900608: Books - Amazon.ca By 1/10 do you mean one-tenth? What an excellent resource you have created for nursing students! Dr. orders Rocephin 1g in 10mL of D5W. Go with your gut! 5th edition . Thank you very much. Dosage Calculations After completing this chapter, you should be able to: • Solve one-step pharmaceutical dosage calculations. As you can see there are multiple conversions and I am not sure where to start first. I don’t know of other resources…I would just do as many practice questions as possible. Add multiple choice quizzes, questions and browse hundreds of approved, video lesson drug calculations; Let's talk about growth and development, baby! https://www.straightanursingstudent.com/shop/nursingschoolplanner/, Last week I posted a tutorial on using dimensional analysis to solve any dosage calculation…, You asked for it, you've got it....more dosage calculation questions! The next step is to add the conversion factor also as a fraction. Drug Calculation Exam Practice: Adult. Thank you so much for sharing. I set out my problems as shown above, (is this wrong? There are 1000 mcg in each milligram, so you’ll work that into your dimensional analysis. In this post I will show you how to use dimensional analysis to solve any dosage calculation, even the tricky weight-based ones. OK..I’ll try to do this without pictures…maybe just follow along with these instructions! 2) What is your conversation ratio? First we need to get like units – 1 g in 500 mL = 1000 mg in 500 ml. The nice thing about dimensional analysis is that it works for EVERY type of med math problem EVERY time! 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. Let’s do one more easy one… Multiply this by seven and you’ll get their cumulative dose over seven days. Drug Calculations for Health Professionals will be helpful to anyone who has a need or interest in teaching or learning drug calculations. If you continue to use this site we will assume that you are happy with it. plans, * Whiteboard required for teacher-paced activities. I was wondering if we can try one of our problems? I think it’s important for new students who are afraid of math and chem to understand that these are principles they will use daily as an RN…so basically, they need to accept it and move forward! Patient requires 4mg of Andensetron iv push over 2to 5 minites Nurse Mo will you come and be my teacher? Margaret W. Dearest Nurse Mo, Dosage Calculations Bootcamp teaches you how to perform all types of medication math with 100% accuracy. Your order reads: 3) Next….what’s left? 1) The trick with this one is to know how many ml per teaspoon (it is 5ml per teaspoon). If you want to know at what time the infusion will be complete, then you just look at what time it is now (0700) and how much fluid is gone (half of it). 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. And yes…ALWAYS go with your gut. This quiz will test your ability to convert kilograms (kg) to grams (G), milligrams (mg) to micrograms (mcg), teaspoons (tsp) to milliliters … Thanks so much! If you want to figure out how many hours total, you just need to divide 1000 by 100 and you’ll get 10 hours. Lasix 2000mg in 200mL is prescribed at 1 mg per min. 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 … 0.1gram/1 x 1000mg/1gram x 1ml/10mg = 10ml morphine (which in this case, is 100 mg morphine and your patient would die). Did you take the dosage cal quiz? Available:Morphine 10 mg/mL Thanks in advance, look forward to hearing back. Thanks Dr. Rachel! Will be bookmarking this site from here on thank you for taking your time in helping others out!! Thumbs up! If the order is 11mcg, then it’s 11mcg for each dose. If you are just starting your…. Like so: • Determine what information you will need to solve for, in addition to any given information, to properly calculate dosages. 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. I promise! I am at a loss trying to figure out how to set up this problem. I’m so excited to find your page last night. Segundo Corcuera. If so, one-tenth of a gram is 100mg, which is an ASTRONOMICAL DOSE OF MORPHINE!!!! You’re not going to let them!!! Are you a busy nursing or pre-nursing student juggling multiple priorities and a hectic schedule? Safe nursing care mandates accuracy in the calculation of dosages and solution rates. Order: Morphine gr 1/10 Please help. View @straightanurse’s profile on Twitter, View straightanurse’s profile on Instagram, View UCJK-mbh6udF6WNYdjJQ-LYA?’s profile on YouTube. In this case it is 250mg. Objective 1: At the end of this lesson you will be able to accurately convert within the metric system between kilograms, grams, milligrams, and micrograms. If something seems “off” then investigate! 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. Then cross out your units…mcg and mg (this leaves you with tablets, which is what you want). It says, a prescriber ordered 0.2 g tablets on hand are tablets labeled “80 mg.” How many tablets should be given to the patient? 1. This paper. How many mg will be given in 7 days? 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). Regardless of the drug to be administered, careful and accurate calculations are important to help prevent medication errors. Use the universal formula below and then divide your final answer by the patient's weight in kg to arrive at mcg/kg/minute. Any assistance you can give is greatly appreciated!! If 5 ml = 1 tsp, then if you have 100 ml you just divide by 5 and you have 20 tsp of liquid. As far as I know 12 people out of 38 didn’t pass. Thank you for this post – I had watched about 40 different Youtube videos covering nursing numeracy but nothing seemed to click aha! I’m am LPN that was taught ratio/proportion method of drug calculation. gr (grain) 1 = 60 mg 4) Now, cross off all your matching units. How many mL will the nurse administer for each dose? ? She gave it. Down into four parts drug calculations for nurses made easy appreciate the time one conversion help prevent medication errors to do that to brain... 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