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Use Uhc flow rate to delermina Ihc velocity ot the: fluld entering the patient > veln...

Question

Use Uhc flow rate to delermina Ihc velocity ot the: fluld entering the patient > veln

Use Uhc flow rate to delermina Ihc velocity ot the: fluld entering the patient > veln



Answers

Determine the IV flow rate for the patient described at the beginning of the lesson by finding the value of $\frac{1500 \times 15}{12 \times 60}$.

So here we're being told that this patient needs room leader of ivy solution over the course of 12 hours. Now the first thing I want to do is convert the leader into Miller leaders because the other rates during milliliters on this just makes it easier. So remember that one leader is the same thing as 1000 milliliters, and then the ivy can drop. Ah, For every Miller leader, it's set up to give 15 drops. And then if we do our crossing out here, uh, there and we do the math, we end up getting 15,000 Trump's for 12 hours. All right, that's really the first step. And then then we need to figure out how many drops per minute were expected to. Dio and I have made this into two equations. You considerably just do it is one. But, um, I should have run out of space, will on the radio inside there. So we have 15,000 drops for 12 hours, so we will convert hours into minutes cross those, huh? And when you do that, you end up getting a REIT. That's about 20 one drops. What? We're G t ts per minute when you know how you rounded things that might come out to be a little bit closer to 20 drops per minute. All right, So again, this could be all pushed together into one big long equation, and it's often easier for me on this white board, just her right out to equations, and that's made in here.

Through these problems, you may have noticed that I've been dividing them up into several equations, and I just find it easier to explain and easier to visualize what's going on when I do that. But I thought I would do this. One is just one giant long conversion equation just to give you a sense of what that looks like. So we start off knowing that we have 130 now pound person. And of course, you know, other units are in kilograms. We need to convert the pounds kilograms, and we know that one kilogram equals £2.205 all right, And then, um, we know that we want to administer 15 milliliters per kilogram and then we know that the rate of drops coming out or another is that is the number of drops per mil Leader is 20 g t ts per little leader, and we know that the rate of the drip is ah, 150 drops for a minute, which is pretty fast, all right, and where goals to figure out the amount of time that it's gonna take for this medicine to be administered. Now let's just go back through and make sure in cross that unit. So we won £39 pounds, kilograms, kilograms, millilitres milliliters and then drops to drops. So the only units left earn minutes. And so when you actually do the calculation you find, then takes, it's gonna take about 420 minutes for the medicine to be delivered into the patient.

This question is mostly a unit conversion question. However, it's often difficult to identify what are the conversion factors used to be used when we are carrying out a unit conversion. Usually, if you find a ratio of unit in this problem, there are several ratios of units, there's milliliters per kilogram, There's GTDS per minute and GTDS per mil leader. All of these are conversion factors. The only other number that is president is £139 and that is not a ratio of units. So typically will start with the number that is not a ratio of units. And use the numbers that are ratios of units as conversion factors. If we start with 139 lb of the individual, because one of the conversion factors has mass in units of kilograms, it might be wise to first convert the pounds of the individual into kilograms of the individual By multiplying by .4535. Then, when we have the mass of the individual and units of kilograms, We can multiply by the conversion factor 50 ml per kilogram. This is now telling us the mill leaders of the solution that are required for this £139 individual. So if we need 50 mill leaders and a mill leader is 20 GTTS, 20 drops, then we can convert our middle leaders into drops. And then we can use the rate of a fusion to convert the number of drops per minute are used. The rate of conversion, which is the number of drops per minute to convert our drops. GTs into time. So for £135 individual At the rate that is provided, it would take 420 minutes.

This problem covers the concept of the uh florid and to solve this problem, fascinated to convert the Cuban data in S. I. Unit, the volume is given 2.5 milli liter. Or we can convert this into me to CUBA by multiplying with first, we need to convert this into later, That is one leader for 1000 million later into one me Tokyo For 1000 l of the volume of the medicine is equivalent to 2.5 In to tenders -6 m. Then we need to find the radius and the radius equals the diameter upon to And that is the equivalent of 0.114 millimeters upon to into ah one m or 1000 millimeters. Oh that is accumulating 0.057 Into Tenders -3 m. Now we know that the volume florida is equivalent to the cross sectional area, into the speed of the flowy And for circular cross section because sectional area equals five times square. So they can write music. You were into by our square into v. Our vehicles curable uh by our squares. Okay, and uh cuBA is also equivalent to the volume of the medicine upon the time T. So we can write V equals the volume upon pi r square into T. Let's substitute the value so we equals the volume is 2.5 In. To tenders -6 m field upon buy into 0.057 Into Canada's -3 meters squared, Went to the time G. That is 0.65 seconds are the speed vehicles. Uh 3 77 m for second.


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