Urinalysis and Samples (Nursing)

by Prof. Lawes

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    00:00 Hi! Welcome to our video series on interpreting lab values.

    00:05 In this one, I'm going to go through a not so glamorous but really important test.

    00:10 We're going to dive into urine visual and chemical exam.

    00:14 Now first of all you a is just a generic screening test that can check for markers in the urine.

    00:20 Now don't be fooled by this humble test.

    00:23 It looks generic, which it is, but we can learn a lot about your patient.

    00:29 In fact, it gives us a snapshot of their overall health.

    00:33 I had an instructor that used to say if we can get a UA and a CBC we can get right up into your business and figure out what's going on in your body and they were right.

    00:43 See from a UA, I can tell about a patient's hydration status.

    00:46 I can check on their diabetes.

    00:48 I can check on kidney damage or UTI.

    00:50 Keeping look at all of this on a UA.

    00:54 So let me show you how you do that.

    00:56 Now a complete urinalysis includes a physical exam, a chemical exam and a microscopic exam.

    01:03 Now I'm not exactly talking about the patient.

    01:05 I've talking about a physical exam of the urine, a chemical exam of the urine and a microscopic exam of the urine.

    01:14 That's a complete urine analysis.

    01:17 I can also do a dipstick urinalysis.

    01:19 Now it's a lot more convenient because I just take a piece of paper that has special papers with chemicals on it.

    01:26 I dip it into the urine dry it off and then I compared the color changes to the key on the valve.

    01:33 So this one is more convenient, but it's also can give me a false positive and false negative.

    01:38 So it's not as accurate.

    01:40 So if i'm doing a complete urinalysis It's not as convenient, but it is more accurate.

    01:45 Dipstick, I can give it a lot quicker, but it's not as accurate and its results.

    01:51 Now a clean catch midstream sample can also be used but remember if you're getting one of these from your patients you want to make sure it's examined within 2 hours of collecting the sample.

    02:02 Okay so we're talking about UA, I could do a complete urine analysis.

    02:07 I can do a dipstick urine analysis and we're just talking about the type of sample.

    02:12 If you have a clean catch or a midstream sample, make sure you use it within two hours it is evaluated.

    02:19 Wow, that's a lot of information.

    02:22 I got to tell you, when I'm first learning something and I see all these words on a page, my eyes just glaze over my brain can't process that.

    02:32 So if you're on this, yay for you, but if you're like the rest of us mere mortals.

    02:38 I'm going to show you how you break this down and what you look at.

    02:41 So right now just enjoy it.

    02:43 Look at all the information we can get from a regular urine analysis.

    02:48 I'm going to walk you through each section.

    02:51 Now in this one, you look at this.

    02:52 You see I've got a little red highlight there for you to let you know that you've got blood.

    02:57 Now the reference range should be negative, but I happen to have some red blood cells and so they did a microscopic exam.

    03:05 I'm going to introduce you to that topic again a little bit later.

    03:08 But as you become proficient in this, you're going to take a look at these results and be able to zero in right away on what the abnormal is.

    03:17 Not yet but stick with us and you'll be able to do that like a pro.

    About the Lecture

    The lecture Urinalysis and Samples (Nursing) by Prof. Lawes is from the course Introduction to Urinalysis – Renal Assessment (Nursing).

    Included Quiz Questions

    1. The urinary dipstick is convenient but less accurate
    2. The urinary dipstick is less convenient but more accurate
    3. The urinary dipstick requires a clean-catch sample
    4. The urinary dipstick involves a physical, chemical, and microscopic exam

    Author of lecture Urinalysis and Samples (Nursing)

     Prof. Lawes

    Prof. Lawes

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