easy dopamine calculation
Change ), You are commenting using your Twitter account. The weight must be taken on the same day that the drip will be started, since Dopamine dosage calculations are weight based. That’s what I thought, too, so I built a model (simple spreadsheet did for it) and ran the formulas head-to-head from a 50 lb patient through a 380 lb patient. OR, OPTIONAL CONDENSED VERSION, 100 ml (110) …….0.0374 ……………0.0836 Since you’re reading this message then you’re living proof that contact form advertising works! The Colorado Down-n-Dirty ranges from -29.6% to 11.16% as you note, but more importantly it produces less error than yours from 100lbs to 240lbs. Thanks everybody!). Now, dopamine is especially atrocious because different dosages seem to have different properties. (Note: Originally posted with a typo, “800 mg” instead of the correct “400 mg” – but now corrected! Check it as many times as you want, you will be right on. For this example we will use a 50 kilogram patient. DTs | 08.11.08 – 7:35 am | #, Can you change it on the page to the correct mix of 400 mg in 250 mL please? 500 …………………..0.17 ……………….0.38 Recommended Reading; Swag; Podcast; Easy Dopamine Calculation. 1 ml of commercially available contains 40 mg of dopamine. would be ((160/2.2) * 5 * 60)/1600, or (72.73 * 300)/1600, or 13.64 ml/hr. Dopamine Calculation. At 2 am, this is great. I Will Findet…. Substituting Dopamine in place of Norepinephrine for septic shock is suspect to increased mortality. (220 POUNDS / 10) = 22, subtract 2 = 20 milliliters/hour. but I think your trick is good enough for me! The Colorado method is therefore 0.36 ml/hr off! 500 0.17 0.38 Standard 400 mg Dopamine (10 ml vial) is mixed in IV bag This is a 2.67% error! Doing the math again, it reduces to 3*kg/40=ml/hr=kh*(3/40)=kg/13.33 repeating~kg/13.33. Convert: 5 mcg / kg / min, to ML/HR pump setting. Now, as the “down and dirty” implies, this is not exactly right. Dopamine: the bugaboo of 2-am drips. Now to get 2.5 mcg divide 18.7 by 0.5, = 9.35 gtts/min Pounds multiplied by 0.085 ( max 0.3% error differential ) That’s just the sort of error that will get someone in trouble one of these days – and I suspect my next post will be about just that, big time errors in textbooks. Here is … “Shouldn’t you know this stuff?”. I wanted to use your page to show somone this method, but that error is too big for me to use, plus anyone who doesn’t do the math could make the mistake if they tried to use the method. BFD. Interactions with EMS meds: albuterol, oxytocin, promethazine, digoxin, xopenex, isoproterenol, and lowers the effects of diabetic medications. I am an EMS educator in Dallas. Finally, I just thought that I would note that I was most of the way through some engineering degrees before I found EMS. Dose available = 800 mg. 84 mg × 500 mL 800 mg. For instance, 2mcg/kg/min is a “renal” dose, appropriate for maintaining renal function, while 5mcg/kg/min is considered an inotropic or “cardiac” dose, and 15+mcg/kg/min is the alpha agonist or “vasopressor” dosage, useful for maintaining blood pressure. 20 mcg / kg / min, multiply by 4. I apologize, i know I’m only a lowly EMT-B but shouldn’t it be, this guy weighs 220lbs, which times 2.2 is 100kg, and we need 5 mikes/kg so that’s 100 kg * 5 is 500 micrograms per minute, and there’s 800 milligrams of medicine in 250 milliliters of D5w so that makes 1600 micrograms per milliliter…. Please check with your medical direction before changing, adding to, or subtracting from your system’s protocols. NOT drops per minute. I’m certain I’d never have found that error (nor have been able to explain it so succinctly). So I was re-familiarizing meself with all the available methods, e.g. My preceptee-to-be has already expressed an interest in learning more in this fascinating area. The 6.67 comes from the % difference between these. How did you get 1600? Low dose Dopamine should never be used in a field setting for increasing function of renal failure. _______________________________________________ At 50 lbs, the Colorado method was 29.6% off; the DTs method was 6.67%; at 380 lbs, Colorado was 11.16% while DTs was 6.67%. Share this: Email; Print; Tweet; 2 Replies to “Easy Dopamine Calculation” Mike Ziem says: April 18, 2017 at 11:15 am Dopamine is 2-20 mcg/kg/min. I WILL SEND 5 MILLION MESSAGES VIA WEBSITE CONTACT FORM, IF YOU ARE INTERESTED, Contact us => email@example.com. All of these numbers are put together in a fancy shmancy table available in both html and The actual calculation, where (milliliters per hour) = (weight kg) * (dose mcg/kg/min) * (60 min/hour) / (concentration mcg/ml). Kilograms multiplied by 0.19 (exact is 0.1875) ( max 1.3% error diff. 0.44 110 ml 3636 mcg / ml 1.04 260 1538 “Brush up on medmath, DTs?” you say. You will be required to solve problems that require you to understand: mcg/kg/min Before taking the quiz, don’t forget to watch the lecture on Dopamine IV drip calculations. 250 ml (260) …….0.0884 ……………0.1976 “DTs, this is all fine,” you say, gently, “But you do realize that your simplistic, and simple-minded method, may not always apply? For vasopressor dosing, the math runs (9*kg)/16=ml/hr=kg*(9/16)=kg/1.77 repeating~lg/1.77. Your formula could subtract 1 mL/hr for every 150 lbs and be more accurate. Thanks so much for reading – and correcting! What is the drip rate? Filed under: MedMath, Statistics, Tips and Tricks | Tagged: EMS, MEDMATH, Statistics |, I think your medmath is incorrect. 4 1000 400, After ml / hr is calculated, to increase from 5 mcg / kg / min, to Actually your method results in errors ranging from 6.67% at the lowest to 9.51% at the highest; always giving more dopamine than necessary. In all this reading, and now of course I can’t find exactly where, but props to the Brady company and Dr. Bryan Bledsoe – I’m pretty sure it was in one of their Tomes – DTs came across something called the Colorado Down and Dirty Dopamine Ditty.
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