2. A 65kg patient has dopamine ordered at 7.5 mcg/kg/min. So we would be giving Dopamine at the rate of 30 mL/ hr. Terms in this set (4) Example: Give patient 500 mg of dopamine in 250 mL of D5W to infuse at 20 mg/hr. If you wanted to give 2.5, you could cut the dose in half, or double it for 10 mcg/min. using the 200mg into 250cc concentration; “3/4 of the pt weight in kilograms = the drip rate for 10mcg/kg/min”. 187/6 =31.1…. 200mg in 500ml. Now the precise method: 187 / 5.86666667 = 31.8749999818892 double that you get 63.74999996377841. Formula for dosage calculation problems. The patient’s weight is 70 kg. …..I have often been asked how I know the drip rate for dopamine so quickly without a calculator. How would you set the drip to 37, or 111 gtts/minute in any meaningful way (unless you had an infusion pump)? The patient’s weight is 120 pounds. Use the drip rate formula and performing the mathematical operations to find the exact drip rate. This is a general formula to administer medications in a weight-based infusion rate. Dopamine is available as 200mg in 250 mL Normal Saline. Dopamine IV drip practice calculation problems for nurses. Double that and you have 10mcg/kg/min. (volume in mL/time in minutes) x drop factor in gtts per mL= flow rate in gtts per minute. 1. (concentration %/100) x volume in mL=dosage amount in g. That’s the drip rate for 5mcg/kg/min. We have 800 mg in 250 mL. Whatever the answer is, drop anything to the right of the decimal. Dopamine IV drip practice calculation problems for nurses. Take the patient’s weight in pounds and divide by six. for example for a 100kg pt , 75 gtts / min for 10mcg/kg/min, 37.5 for 5mics, and 150 for 20. long way; 200 into 250cc gives you 800 mcg/cc. | EMS Author Spotlight, EMS Study Skills | Ten Tips For The “Look Squirrel” Crowd, #1 Patient Rapport Tip | How To Be Better At EMS. Double that and you have the rate for 20mcg/minute (the top end). 2. Since the drug has to be administered in continuous infusion, it is imperative to have a , simple formula for dosage calculations. The following method rarely results in more than being off by 1gtts/minute. Just ask the patient's weight. Dopamine 400 mg in 250 ml N/S to infuse at 6 mcg/kg/min. Example: Calculate the IV flow rate for 1200 mL of NS to be infused in 6 hours. (ordered per hr/have) x volume in mL= flow rate in mL/hr. You will be required to solve problems that require you to understand: mcg/kg/min These Dopamine drip practice problems were designed to help you better understand how to calculate an IV flow rate based on a patient's weight, the ordered dose, and the amount of solution supplied. Infusions like Nitroglycerin are calculated as mcg/ min. Calculate the flow rate in mL/hr. Check out this video presentation below. Feel free to share my method. 2 Replies to “Easy Dopamine Calculation” Mike Ziem says: April 18, 2017 at 11:15 am Dopamine is 2-20 mcg/kg/min. If the weight is in pounds, then divide … I say the answer above is close enough. This will give you a very close drip rate for 5 mcgs. These Dopamine drip practice problems were designed to help you better understand how to calculate an IV flow rate based on a patient's weight, the ordered dose, and the amount of solution supplied. The formula in the infographic will determine the 5 mcg/min dose for a patient. There are two ways to calculate a Dopamine drip rate: 1. Tutor: David Ibukun Ogunlabi X = (Desired Dose x Drip Set) / Drug Concentration. This works for 200mg Dopamine in 250ml solute (NS, D5, whatever) with 60 gtts/min administration set. Do you have a drug calculation tip to share? Want more Drug Calculation and medical math help? The “1000” in the above formula stands for 1000mcg (1mg), when helps to convert mcg to mg. Dopamine Infusion: A Simpler Formula Dopamine, a potent sympathomimetic amine is the drug of choice in management of neonatal shock unresponsive to volume expanders, adrenaline and sodium bicar-bonate administration. In a baby weighing 2.5 kg if we want to start dopamine at a rate of 10 mcg/kg/min: =10 x 2.5 = 25 mcg/min=25x60=1500 mcg/hour=1500x24=36000 mcg/day =36 mg of dopamine in 24 hours If you double the solute and leave the dopamine mg the same, you double the drip rate. Be sure and thank Dave by checking out his page here. 2. The infusion set is calibrated for a drop factor of 15 gtts/mL. (ordered per hr/have) x volume in mL= flow rate in mL/hr. The weight must be taken on the same day that the drip will be started, since Dopamine dosage calculations are weight based. Depending on units selected, the general composition for the formula is as follows: Calculate the flow rate in mL/hr. Since the drug has to be administered in continuous infusion, it is imperative to have a , simple formula for dosage calculations. Use the Dopamine clock to quickly obtain a relatively accurate drip rate. Calculating a Dopamine Drip… Using the Drip Rate Formula If you understand that we sometimes play with the start quantities – if you double the amount of dopamine you add to solute, you halve the drip rate – 400mg in 250ml. 10mcg x 100 kg = 1000mcg/ min, 1000/800 = 1.25 x 60 = 75gtts/min. Tutor: David Ibukun Ogunlabi This calculation requires several steps. Remember to titrate to the desired effect. It is a useful tool to determine the rate of pump medication infusion to achieve therapeutic dosing.

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