How To - How Ultrasound Works

 
 
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08/23/2017 15 hours
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How Ultrasound Works
 
Looking Within: How X-Ray, CT, MRI, Ultrasound, and Other Medical Images Are Created, and How They Help Physicians Save Lives
Looking Within: How X-Ray, CT, MRI, Ultrasound, and Other Medical Images Are Created, and How They Help Physicians Save Lives
A hundred years ago, a doctor had no way to look within the body of a patient other than to slice it open. That changed radically at the turn of the century, with the discovery of X-rays. X-ray and other forms of diagnostic imaging technology developed slowly but steadily from then until the 1970s, at which point a revolution occurred. Made possible largely by the availability of powerful but inexpensive computers, the rapid and widespread adoption of computed tomography (CT) and, a decade later, of magnetic resonance imaging (MRI) greatly expanded the power of clinical imaging, and even changed the ways in which physicians view and think about the human body.This unique guide explains how the principal imaging devices work and how they help physicians save lives. It gives readers a grasp of the major medical technologies that might come to play important roles in their lives, and it provides succinct, easy-to-understand, and reliable explanations for those who wish to explore the issues of the associated benefits, costs, and risks in an informed manner. In nonspecialized language, Looking Within discusses how X-ray, fluoroscopic, CT, MRI, positron emission tomography (PET), ultrasound, and other medical pictures are created, and explores the essential roles they play in the diagnosis and treatment of patients. It should be of interest to patients and their friends and loved ones, and to those who are simply curious about this vitally important, exciting, and cutting-edge branch of medicine. Its brief but clear descriptions of how these essential tools work should also be of value to health care providers in supporting and educating their patients.

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$21.12
-$10.83(-34%)



Pest 0 Ultrasonic Pest Repeller - Repels Mice, Rats, Roaches, Spiders, Ants, and Other Insects - Home Pest Control Solution Plus EBook How To Bug Proof Your Household
Pest 0 Ultrasonic Pest Repeller - Repels Mice, Rats, Roaches, Spiders, Ants, and Other Insects - Home Pest Control Solution Plus EBook How To Bug Proof Your Household
WHY PEST OUT? -It is time to strike back with a gentle, safe solution, which works. Save money No chemical products Child safe Pet safe No maintenance 24/7 protection Unlimited duration HOW TO USE IT? -Simply plug the Pest Zero into a wall outlet and as long as the LED light is lit, pests will avoid the area. To increase the effect, you should use several sets at the warehouse, or near piled up goods, or place several in each room. Everything which provides a sound proof barrier (carpet, curtain, walls, etc) will decrease the range and effect of the device.The drive of pheromones are stronger than the inconvenience of the ultrasound, so for this reason is it important to clean up the area and remove all pests first to effectively eliminate the unwanted visitors from your home. The device should prevent pests from returning. FEATURES-Non-toxic, environment-friendly 22-65KHz of repelling ultrasonic frequency 80-120sqm of protectionPower source: AC90V-250V 5-60Hz Power: 5-6W GUARANTEED! -Pest Zero comes with a risk free guarantee for 60 days. We will refund 100% of your purchase price if notified within 60 days that our product does not help with your pest problem.

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$5.85



Ultrasound Image Canvas, Sonogram Art Print, Baby Shower Gift, Gender Reveal Artwork, Pregnancy Wall Art, Expecting Parent Gift Ultrasonic, YOUR OWN PHOTO
Ultrasound Image Canvas, Sonogram Art Print, Baby Shower Gift, Gender Reveal Artwork, Pregnancy Wall Art, Expecting Parent Gift Ultrasonic, YOUR OWN PHOTO
Personalized Ultrasound Canvas Wall Art Print With Your Own Photo. This is a wonderful memory for a boy or girl and would make a great baby birth or baby shower gift! HOW TO ORDER:1. Select the size and color and write the name and due date, ADD item to CART. 2. Complete the payment. 3. Send your high-resolution photo (quality photo, can be scanned) via the link under my photo (on the right side of the page). 4. We will create a proof /preview for your canvas order within 24 hours, you will receive an email with the proof/preview. 5. Once you have approved the proof/preview, we will print and ship it. NOTE: If the customer does not approve their proof within 48 hours of it being sent, the order will be dispatched as is. Canvas Printed on 100% Cotton Canvas Stretched on Wooden Frame. Ready to Hang. Specializes in canvas print and works under the strictest standards: Water based pigment ink, which is non-poisonous, non-redolent and has a better printing qualities from solvent ink, which is more common and cheaper.

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$46.00



New Mad Scientist Mega Science Set 14 Gross Experiments Grafix LG Explore How Your Body Works and Create Your Own Glowing Gunge Creations
New Mad Scientist Mega Science Set 14 Gross Experiments Grafix LG Explore How Your Body Works and Create Your Own Glowing Gunge Creations
MaYa FaCtOrY ✩ ✫ ✬ ✭ ✮ ✯ ✰ ✱ ✲ ✳ ❃ ❂ Merry Christmas and Happy New Year 2017 ❁ ❀ ✿ ✾ ✽ ✺ ✹ ✸ ✷ ✶ ✵ ✴ Mega Science Activity Set Product Features: ✿*゚Fantastic kit for budding scientists! ✿*゚Explore how your body works and create your own glowing gunge creations ❀ Includes: ✐ 2 x eye moulds, ✐ 2 x eye beads, ✐ 3 x packs of crystals, ✐ 1 a pair of goggles, ✐ 1 x heart mould, ✐ 3 x packs of crazy clay, ✐ 2 x mixing cups, ✐ 2 x 3D glue sticks, ✐ 1 x small sheet of sticky dots, gel maggots, ✐ 1 x glue tube, ✐ 1 x sheet of greaseproof paper, ✐ 1 x spatula, ✐ 2 x test tubes, ✐ 1 x pot of green slime, ✐ 1 x poo mould, ✐ 6 x colour dyes, ✐ 1 x pot glow solution, ✐ 1 x bubble solution, ✐ 1 x UV torch, ✐ 1 x funnel, ✐ 1 x monster mould, ✐ Cornflour, ✐ 4 x cotton buds and instruction booklet ✿*゚Box measures approx 46 x 32 x 10.5 cm (18" x 12.6" x 4") ✿*゚Suitable for age 8+ and adult supervision is required ✿*゚Total weight is approx 805g This item will be sent through Royal Mail International Tracked. Delivery times about 7-10 business days vary depending on location and customs. Return: We gladly accept returns under the following conditions: - Due to the nature of the products all items are non refundable and non returnable once opened. - Buyer must be returned unopened unused item(s) within 30 days of delivery for a refund, minus a 20% restocking fee. Thank you! Have a Great Day! Please verify your address during checkout. We are not responsible for any wrong or undeliverable addresses.

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$55.00



Pest Insect Suction Trap Catcher Spider Handheld Led Bug Buster Multi Functional Night Lamp Vacuum
Pest Insect Suction Trap Catcher Spider Handheld Led Bug Buster Multi Functional Night Lamp Vacuum
Description: Have you always been annoyed or creepy with spiders, roaches, bugs or other crawling insects infested your kitchen or bedroom? Then this bug catcher is a perfect tool to catch and release the creepy crawlies humanly and without a harm. The transparent plastic tube offers a large space for unwanted spiders, bugs, cockroaches, wasps, mosquitoes or other house pests. Choose this catcher and say goodbye to creepy crawlies. Features: - Powered by 9V battery (NOT included). - Features with Four parts: Vacuum Motor, Vacuum Clear Pipe, Suck Booster and Tube Cover. - Light function, the button "LED" supports the item work at night or dark places. - Catch all types of spiders and insects, quickly and easily. - Ideal for removing other small light objects from hard-to-reach places with a long tube. - No insecticides, no poisons, eco-friendly. - Lightweight and portable design. - Works like a gentle vacuum cleaner. - Humanly and easy operation, once catch the insects you can set them free. - Easy to use at home, especially apply for kitchen. Specifications: - Power supply: 9V battery (Not included) - Material: ABS Plastic - Color: Clear & Black - Unit dimension : 350*32mm - Unite weight: 132g

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JeNu Ultrasonic Infuser
JeNu Ultrasonic Infuser
The JeNu Ultrasonic Infuser harnesses the power of ultrasound to maximize the absorption of any skin care product you are already using by 6X. It works by emitting 356,000 pulses of ultrasonic energy per second to gently push more of your skin care products into your skin, so they can work better & faster. It takes just 1 minute to use —& it’s 100% safe & pain free.

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$249.00



GENDERmaker Boy or Girl Gender Predictor at Home Test Kit
GENDERmaker Boy or Girl Gender Predictor at Home Test Kit
How our baby gender prediction test works: Science behind the gender predictor test Reaction occurs when chemical compound is being dissolved and mixed with solute molecules in the urine resulting from biochemical activity within the cells of the body, and triggers the color dye elements that correlate to specific gender. How to perform gender predictor test in 2 easy steps 1 Collect the urine To perform the gender prediction test, please collect your first morning urine sample in a clean plastic cup and let it cool down for 2-3 minutes to reach room temperature. 2 Perform the test Use the dropper (included) to collect the right amount of urine from your cup and gently squeeze your collected urine sample into a sample window on your gender prediction test. Immediate chemical reaction will occur, and the control test window will display your gender prediction results in 15 seconds. The gender prediction test result is easy to read! The control test window will change the color to either pink (Girl) or blue (Boy). Please note that the colors may vary, and you should refer to the color chart included in your manual that comes with the test. A safe and effective gender prediction test includes: 1. Test Cassette Test Cassette has a plastic molding with a sample window to collect the urine, and the window to display your gender prediction test results. 2. Urine dropper Gender Prediction test includes a plastic dropper to collect the exact amount of your morning urine sample.

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$29.99
-$20.04(-67%)



Dog Bark Collar for Small And Medium Dogs Safe Vibration Training Collar! Control Your Pet Excessive Barking With This Simple Anti Bark No Shock Training Tool! (Blue)
Dog Bark Collar for Small And Medium Dogs Safe Vibration Training Collar! Control Your Pet Excessive Barking With This Simple Anti Bark No Shock Training Tool! (Blue)
You love your dog, but their barking is a problem. It wakes you up, gets on your neighbors' nerves and makes your home feel stressful. You want to control your puppy's barking, but other methods won't work or just aren't suitable for your dog! GoodBoy Anti-Bark Vibration Collar is a humane, effective and convenient deterrent to help your dog to learn to stop barking. Our collar helps your dog build an association between barking and the annoying (but painless) vibration. Dogs are quick learners; your dog will rapidly learn to avoid the irritating sensation by not barking. When you use this collar your pet learns to calm down and you get a little peace and quiet again. How It Works GoodBoy Anti-Bark Vibration Collar is controlled by a high tech microprocessor that can distinguish between your dog's bark and other environmental noises. When your dog first barks, the collar makes a warning beep. A second bark within 30 seconds produces another beep for your dog. After that, the collar reminds them to stay quiet by adding a gentle but irritating vibrating sensation to the noise. The vibration is harmless, but still strong enough to interrupt their bark. If barking continues, the vibration progresses through 5 levels of duration until your dog stops barking for at least thirty seconds.The GoodBoy Anti-Bark Vibration Collar is specially designed to help you get optimal correction training results. The collar gives your dog a simple, predictable stimulus that humanely controls their behavior. Our collar fits doggy necks up to 21 inches, so it's ideal for small and medium dogs - any dog bigger than 8lbs and at least 6 months old. If it's repeatedly activated in a short period, the collar has a 1 minute sleep mode to give your dog a break.It's important to note that the GoodBoy Anti-Bark Vibration Collar uses a 6v battery and is not waterproof.

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$49.00
-$22.01(-45%)



HEAVY DUTY Bird Netting - Protect Plants and Fruit Trees - Extra Strong Garden Net Is Easy to Use, Tangle Free and Reusable - Long Lasting Protection Against Birds, Deer and Other Pests (7.5x65 feet)
HEAVY DUTY Bird Netting - Protect Plants and Fruit Trees - Extra Strong Garden Net Is Easy to Use, Tangle Free and Reusable - Long Lasting Protection Against Birds, Deer and Other Pests (7.5x65 feet)
PROTECT YOUR BOUNTY FROM HUNGRY BIRDS Flying and furry thieves ransacking your crops is one of summer's biggest gardening headaches. Extra strong Garden Netting from De-Bird is your most reliable defense against common garden pests of the feathered and four-legged variety! HOW PROTECTIVE NETTING WILL KEEP BIRDS OFF YOUR FRUIT TREES AND OTHER CROPS Don't let your gardening efforts go to waste. Instead of shoo-ing away pests and throwing your hands up in the air, throw up some nets instead! Like a fence, De-Bird Garden Netting is an effective barrier that will repel most household birds, pigeons, woodpeckers, grackles, blackbirds, seagulls, ducks, herons, crows, ravens and more. It's also an effective barrier against deer, foxes and other rodents and critters. While our netting won't help you to grow better fruits, berries and veggies, it will help you keep the ones you produce! Netting measures 7.55ft x 65ft (2.3m x20m). THE DE-BIRD DIFFERENCE Our goal is to help gardeners and homeowners solve their bird control problems simply and safely by creating better quality bird proofing solutions and providing unmatched customer service. We use the most durable materials and construction methods available to ensure our bird repellent products are up to the job. Our customer support doesn't end with your purchase; our friendly and knowledgeable team is here to help you achieve the best possible results. Protect your plants from bird damage today and Click "Add to Cart" now.

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$35.90
-$8.00(-22%)





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