Lee Mace's Ozark Opry

And now from the misery and coming directly to the house another six weeks. It's a lot again with 30 minutes of the finest comedy this is Larry to sit back and enjoy. Thank you. Our kids got a lot of good. Why London. Thank. You. They're my people steal

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Hoping we'll be back your house will see your house. You've been watching live from the Opry House in Osage Beach Missouri. This is Larry here and remind you to tune us in at the same time next week. And remember any time you're visiting Lake of the Ozarks from April to November come see us in person at the Old Opry House. You'll be welcome. Here's a bite from Newton's apple.

I'm interested in knowing just how sound waves are used in medicine. You mean like ultrasound right. Right. OK. Well we took your question and we went out we found some people who know a lot about ultrasound and one of those persons is Dr. Christopher guy step. OK Doctor what is ultrasound. Ultrasound is a sound frequency well above the orrible range of our hearing and it's used in medicine very specifically to allow and open up our diagnostic potential. We take these sound beams and we apply it to different parts of the body and through computerized technique we can take this sound images turn them into a visual image and allow us to make diagnoses and look at areas that previously are very hard to look at. So you take pictures of parts of the body you can sound waves with sound waves that's right. And it uses a very exciting principle in developing the sound waves and can be applied to a lot of different parts of the body. Different areas of medicine. And with us tonight to allow us to do that we have Dr. Jan Hassani who's pregnant and we have live stress now who is a

very skilled ultrasound technician. We're going to study child and we're doing to learn a little bit about ultrasound and how it works. Liz why don't you get Jan ready and then I can talk about our machine was this going to is what makes the picture and this is what makes the picture this isn't a real time ultrasound machine. It takes the sound wave which is emitted through this. Probe which contains a crystal is called a piezoelectric Crystal electrical beam stimulates or excites the crystal it sends out the sound wave it goes into a surface of the body and then it comes right back and it's fed through here and comes out as a video image. I see different densities come out as different skin colors like a TV picture that's right let me hand a probe over to Liz if you can take a look at Jan. There's a gel that's being smeared all over her tummy and that's an acoustical gel this if we don't use that to scan where the sound waves will scatter and that we won't see anything. Now what would you look for now that you know let's look at the child's head. This is a very important region to look at and we have it right here in the back of this image you can watch little crosshatch lines

extending the head is important because we can determine how old the child is. Jan how far are you into your pregnancy a little. Well with that in mind we can actually measure the skull diameter and determine just how old the child is what we're looking at here we can look at for example the heart and right here that right in this segment of the screen where you see that is the child's heart you can see the chamber. It's a very fascinating thing dissolves to you can see him. That's right. Let me ask a question. Sure do you feel anything then when the device is on you and presumably it is doing no harm to her right. No it's used in a frequency range that that will cause any actual harm. Now. Also using ultrasound we can sometimes identify the sex of the child and jam with you to find out whether or not you've got a boy or girl. I'd love to. All right OK. Right here on national television a little bit of work to determine that. Sometimes we can identify and write in this region here. We've actually identified the sex of this child by identifying the general you see it right

here within this crosspatch. What do you think you have you have a boy wish you had a cigar to get him out right. Well how do you feel about that wonderful. Well it was and I do see that's where there really is a good use Thanks very much Janet Liz. There are a lot of uses of ultrasound. It's used quite commonly in cardiology to really determine how well the hard work and I can see what a good picture you get that's right it's a very accurate and very reproducible type of picture. It's also used in a tautology to study very small infants born prematurely particularly a lot of times to examine their head so we can determine what's going on and had to treat and cure. We can also look at the cardiology aspects of ultrasound right here and now by examining your chest. Yes that's right. You can apply those sound. Take a look at something like this just have to see. And let's take a little look at our application of ultrasound here as an example. We're going to have to do and well just lift up your shirt and lean back as I take my sweater off and perhaps we can just

kind of pull it up a bit here and Liz will apply the probe just below your rib cage and that will send the sound beams up and give us a good ultrasound vision of your heart where you put it that you've got the bottom of my breast bone right that's right. It's it will travel through the region where there aren't many bones in sight and interfere with her image. Now by looking at a video screen here I'll apply. Here we go right in within the region of this cross hatched area we have iris Hart and everybody said oh you have no heart. If you look very carefully you'll see a beading structure and there are some smaller areas that are being That's amazing. And those are the actual valves of the heart. And cardiologists use this to determine how efficiently the heart can be functioning or whether or not a valve or two may not be working not really at all. So then could you really use this as a diagram you could see how much progress I might be making you fly or in a disease state door. That's right it can be done under those circumstances and it can be done simply to identify a problem that we're really not sure of on the physical examination of it. It allows a lot of feedback and it's a

noninvasive technique and it's very comfortable for the patient and it's also very exciting and it's going to be used more and more in medicine. It's used more and more in medicine in many different ways. But thank you that they grasp that my pleasure. Thank you Jan. Thank you very much and the congratulations on your baby with everything works out. Newton's Apple is made possible by a grant from DuPont makers of better things for better living. In.