1. Obstetric Ultrasound A Comprehensive Guide To Ultrasound Scans Comprehensive guide to Obstetric/ prenatal ultrasound. Covers all aspects of sonography in pregnancy and the fetus. http://www.ob-ultrasound.net/

A Comprehensive Guide Rated among the top 5% of all Internet sites by Lycos in 1995 And consistently ranked first on Google for the keyword " Ultrasound" What are Obstetric Ultrasound Scans? Obstetric Ultrasound is the use of ultrasound scans in pregnancy. Since its introduction in the late 1950’s ultrasonography has become a very useful diagnostic tool in Obstetrics. Currently used equipments are known as real-time scanners , with which a continous picture of the moving fetus can be depicted on a monitor screen. Very high frequency sound waves of between 3.5 to 7.0 megahertz (i.e. 3.5 to 7 million cycles per second) are generally used for this purpose. They are emitted from a transducer which is placed in contact with the maternal abdomen, and is moved to "look at" (likened to a light shined from a torch) any particular content of the uterus. Repetitive arrays of ultrasound beams scan the fetus in thin slices and are reflected back onto the same transducer. The information obtained from different reflections are recomposed back into a picture on the monitor screen (a sonogram, or ultrasonogram). Movements such as fetal heart beat and malformations in the feus can be assessed and measurements can be made accurately on the images displayed on the screen. Such measurements form the cornerstone in the assessment of gestational age, size and growth in the fetus.

2. Ultrasound - Wikipedia, The Free Encyclopedia ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. Although this limit varies from person to person, http://en.wikipedia.org/wiki/Ultrasound

Ultrasound From Wikipedia, the free encyclopedia Jump to: navigation search For other uses, see Ultrasound (disambiguation) Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing . Although this limit varies from person to person, it is approximately 25 kilohertz (25,000 hertz) in healthy, young adults and thus, 25kHz serves as a useful lower limit in describing ultrasound. Ultrasound is manually produced in many different fields, typically to penetrate a medium and measure the reflection signature or supply focused energy. The reflection signature can reveal details about the inner structure of the medium. The most well known application of this technique is its use in sonography to produce pictures of fetuses in the human womb. There are a vast number of other applications as well. Approximate frequency ranges corresponding to ultrasound, with rough guide of some applications A fetus in its mother's womb, viewed in a sonogram (brightness scan) Contents Ability to hear ultrasound Diagnostic sonography Biomedical ultrasonic applications Industrial ultrasound ... edit Ability to hear ultrasound The upper frequency limit in humans (approximately 20 kHz) is caused by the middle ear , which acts as a low-pass filter . If ultrasound is fed directly into the skull bone and reaches the cochlea without passing through the middle ear, much higher frequencies can be heard. This effect is discussed in

3. Ultrasound - MayoClinic.com ultrasound imaging — Overview describes what it is, how it works and when it s used. http://www.mayoclinic.com/health/ultrasound/PR00053

Medical Services Health Information Appointments Education and Research ... About Ultrasound You may associate ultrasound images with a developing fetus. But ultrasound is used in many areas of medicine. Find out what it's used for and how it's performed. Ultrasound examination, also called diagnostic medical sonography or sonography, is an imaging method that uses high-frequency sound waves to produce precise images of structures within your body. These images often provide information that's valuable in diagnosing and treating a variety of diseases and conditions. Who is an ultrasound for? You may need to undergo an ultrasound for a variety of reasons. Ultrasound may be used, among other things, to: Evaluate a fetus Diagnose gallbladder disease Evaluate flow in blood vessels Guide a needle biopsy Guide the biopsy and treatment of a tumor Check your thyroid gland Study your heart Diagnose some forms of infection Diagnose some forms of cancer Reveal abnormalities in the scrotum and prostate MORE ON THIS TOPIC Fetal ultrasound: What can it tell you?

4. Ultrasound - General Current and accurate information for patients about ultrasound General . Learn what you might experience, how to prepare for the exam, benefits, http://www.radiologyinfo.org/en/info.cfm?pg=genus

5. All About Ultrasounds - BabyCenter An ultrasound (also called a sonogram) is a noninvasive diagnostic test that uses sound waves to create a visual image of your baby, placenta, and uterus, http://www.babycenter.com/0_all-about-ultrasounds_329.bc

var debugDojo = false; You seem to have disabled JavaScript. To take full advantage of our site and functionality, we recommend you enable Javascript. How? Reese Witherspoon says no to nudity Spending enough time with your kids? advertisement mboxCreate ("bc20_topright_promo"); site search articles videos products ... tools Search: Getting Pregnant Pregnancy Baby (0-12 mos) ... (5-8 yrs) advertisement mboxCreate ("bc20_leftrail_promo"); Our Sponsors All Free Clear Aveeno Baby Baby Orajel Cord Blood Registry ... All Popular Areas... Feature Feature All about ultrasounds Reviewed by the BabyCenter Medical Advisory Board Last updated: May 2006 e-mail print Highlights What is an ultrasound? What information will my ultrasound provide? Why would I need an ultrasound during my first trimester? Why would I need an ultrasound later in my pregnancy? ... What if the ultrasound shows a problem? What is an ultrasound? An ultrasound (also called a sonogram) is a noninvasive diagnostic test that uses sound waves to create a visual image of your baby, placenta, and uterus, as well as other pelvic organs. It allows your healthcare practitioner to gather valuable information about the progress of your pregnancy and your baby's health. During the test, an ultrasound technician (sonographer) transmits high-frequency sound waves through your uterus that bounce off your baby. A computer then translates the echoing sounds into video images that reveal your baby's shape, position, and movements.

6. Ultrasound : American Pregnancy Association An ultrasound exam, or sonogram, uses highfrequency sound waves to scan a woman s abdomen. http://www.americanpregnancy.org/prenataltesting/ultrasound.html

American Pregnancy Association home about partners ... tribute gift search Getting Pregnant Infertility Adoption Pregnancy Options ... Pregnancy Calculator Most Popular Articles Understanding Ovulation Ovulation Calendar Pregnancy Signs and Symptoms Bleeding During Pregnancy ... Prenatal Testing Utrasound: Sonogram Email An ultrasound exam is a procedure that uses high-frequency sound waves to scan a woman's abdomen and pelvic cavity, creating a picture (sonogram) of the baby and placenta. Although the terms ultrasound and sonogram are technically different, they are used interchangeably and reference the same exam. What types of ultrasound are there? There are basically seven different ultrasound exams, but the principle process is the same. The different types of procedures include: Transvaginal Scans: Specially designed probe transducers are used inside the vagina to generate sonogram images. Most often used during the early stages of pregnancy. Standard Ultrasound: Traditional ultrasound exam which uses a transducer over the abdomen to generate 2-D images of the developing fetus . Advanced Ultrasound: This exam is similar to the standard ultrasound, but the exam targets a suspected problem and uses more sophisticated equipment.

7. Ultrasound Imaging Procedure Information On MedicineNet.com Provides an overview on what an ultrasound is, its purpose and preparation for the test, and how the results are transmitted to physician and patient. http://www.medicinenet.com/ultrasound/article.htm

About Us Site Map January 24, 2008 home heart center heart a-z list ultrasound index > ultrasound article Font Size A A A Ultrasound Index ... Glossary Ultrasound What is an ultrasound? For what purposes are ultrasounds performed? How do patients prepare for an ultrasound? How are results transmitted to the patient and doctor? What is an ultrasound? An ultrasound test is a radiology technique, which uses high- frequency sound waves to produce images of the organs and structures of the body. The sound waves are sent through body tissues with a device called a transducer. The transducer is placed directly on top of the skin, which has a gel applied to the surface. The sound waves that are sent by the transducer through the body are then reflected by internal structures as "echoes." These echoes return to the transducer and are transmitted electrically onto a viewing monitor. The echo images are then recorded on a plane film and can also be recorded on videotape. After the ultrasound, the gel is easily wiped off. The technical term for ultrasound testing and recording is "sonography." Ultrasound testing is painless and harmless. Ultrasound tests involve no radiation and studies have not revealed any adverse effects.

8. MedlinePlus: Ultrasound ultrasound uses highfrequency sound waves to look at organs and structures inside the body. Health care professionals use them to view the heart, http://www.nlm.nih.gov/medlineplus/ultrasound.html

imageNames = false; @import url(http://www.nlm.nih.gov/medlineplus/images/advanced.css); @import url(http://www.nlm.nih.gov/medlineplus/images/header.css); @import url(http://www.nlm.nih.gov/medlineplus/images/menubutton.css); Skip navigation @import url("http://www.nlm.nih.gov/medlineplus/images/consumer_health_20.css"); Other Health Topics: A B C D ... List of All Topics Related Topics Diagnostic Imaging Prenatal Testing Diagnostic Tests Go Local Services and providers for Ultrasound in the U.S. Select Location AL - Alabama AR - Arkansas AZ - Arizona AZ - Tribal Connections Four Corners CO - Tribal Connections Four Corners DE - Delaware GA - Georgia IL - Illinois IN - Indiana MA - Massachusetts MD - Maryland MI - Michigan MN - Minnesota NC - North Carolina NE - Nebraska NM - New Mexico NM - Tribal Connections Four Corners NV - Nevada OH - Ohio - Southeast SC - South Carolina TX - East Texas TX - South Texas TX - Texas Gulf Coast UT - Tribal Connections Four Corners UT - Utah VT - Vermont WY - Wyoming Select from map Ultrasound Also called: Sonogram Ultrasound uses high-frequency sound waves to look at organs and structures inside the body. Health care professionals use them to view the heart, blood vessels, kidneys, liver and other organs. During pregnancy, doctors use ultrasound tests to examine the fetus. Unlike x-rays, ultrasound does not involve exposure to radiation.

9. Howstuffworks "How Ultrasound Works" ultrasound can help doctors look inside a patient s body to see everything from heart valves to a moving baby. Find out how ultrasound works, http://www.howstuffworks.com/ultrasound.htm

HowStuffWorks.com RSS Make HowStuffWorks your homepage Get Newsletter Search HowStuffWorks and the web: EXPLANATIONS Auto Communication Computer Electronics ... Travel EXPERT REVIEWS Consumer Guide Auto Consumer Guide Products Mobil Travel Guide PRICES Shop HowStuffWorks REFERENCE Encyclopedia Maps VIDEO STUFF Watch Videos Upload / My Account REFERENCE LINKS Main Health Health Care PRINT ... EMAIL How Ultrasound Works by Craig C. Freudenrich, Ph.D. Inside This Article Introduction to How Ultrasound Works What is Ultrasound? The Ultrasound Machine Different Types of Ultrasound Major Uses of Ultrasound ... articles There are many reaons to get an ultrasound. Perhaps you are pregnant, and your obstetrician wants you to have an ultrasound to check on the developing baby or determine the due date. Maybe you are having problems with blood circulation in a limb or your heart , and your doctor has requested a Doppler ultrasound to look at the blood flow. Ultrasound has been a popular medical imaging technique for many years. Ultrasound Image Gallery Photo courtesy Philips Research Ultrasound examination during pregnancy.

10. Ultrasound: Definition And Much More From Answers.com ultrasound ( ) n. Ultrasonic sound. Medicine. The use of ultrasonic waves for diagnostic or therapeutic purposes, specifically to image an internal. http://www.answers.com/topic/ultrasound

BodyLoad('s'); Results for ultrasound On this page: Select Article Dictionary World of the Body Food and Fitness Public Health Britannica Concise Architecture Columbia Ency. Health Dictionary Veterinary Wikipedia Translations Best of Web Or search: - The Web - Images - News - Blogs - Shopping Dictionary: ultrasound ŭl trə-sound Also from Answers.com... Asthma How to prevent and treat an asthma attack. document.getElementById("videoBox").style.display="block" n. Ultrasonic sound. Medicine. The use of ultrasonic waves for diagnostic or therapeutic purposes, specifically to image an internal body structure, monitor a developing fetus, or generate localized deep heat to the tissues. ADVERTISEMENT Home Business Entertainment Food ... More... InitForm('lookup1','autodiv1','down'); Library Arts Business Entertainment Food ... World of the Body: ultrasound fetus in early pregnancy , but there are also many other diagnostic applications. Treatment by ultrasound ( ultrasonics ) is widely used by physiotherapists, particularly for soft tissue injuries but also for a variety of more chronic conditions, with a view to promoting healing and relieving pain. Most commonly frequencies of 1-3 MHz are used. There are differences of opinion and practice, related to whether the intended action should be primarily thermal or non-thermal, but there is a lack of controlled trials on the efficacy of the different methods used. See imaging techniques sonogram Food and Fitness: ultrasound Very high frequencies of sound, above 20 kHz. Ultrasound is used in both diagnosis and treatment. Ultrasonography uses echoes of the sound waves to produce images of structures within the body. Continuous ultrasound is a common treatment for deep, soft-tissue injuries. The high-frequency sound waves are believed to vibrate and loosen scar tissue, accelerating the healing process. The vibrations also heat deep tissues and relieve pain. If a swelling occurs, pulsed ultrasound is used because, unlike continuous ultrasound, it does not heat up the tissues. Ultrasound may also be used in a process called phonophoresis to drive anti-inflammatory drugs through the skin into underlying tissue.

11. Imaginis - Ultrasound Imaging (US) ultrasound imaging (also called ultrasound scanning or sonography) is a relatively inexpensive, fast and radiationfree imaging modality. http://www.imaginis.com/ultrasound/

Advertisement search tips Advertisement Ultrasound Imaging (US) Format for Printing Why is Ultrasound Done? What A Person Experiences, What to Expect During an Ultrasound Study How Does Ultrasound Work? ... Prenatal Ultrasound and Obstetrics Why is Ultrasound Done? Ultrasound imaging (also called ultrasound scanning or sonography) is a relatively inexpensive, fast and radiation-free imaging modality. Ultrasound is excellent for non-invasively imaging and diagnosing a number of organs and conditions, without x-ray radiation. Modern obstetric medicine (for guiding pregnancy and child birth) relies heavily on ultrasound to provide detailed images of the fetus and uterus. Ultrasound can show fetal development, and bodily function like breathing, urination, and movement. Ultrasound is also extensively used for evaluating the kidneys, liver, pancreas, heart, and blood vessels of the neck and abdomen. Ultrasound can also be used to guide fine needle, tissue biopsy to facilitate sampling cells from an organ for lab testing (for example, to test for cancerous tissue). Ultrasound imaging and ultrasound angiography are finding a greater role in the detection, diagnosis and treatment of

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FAQ LINKS CONTACT US Welcome to ULTRASOUND Amps - If you're looking for an acoustic amplifier that will reproduce the authentic tone of your acoustic instrument, you've come to the right place. Ultrasound amps are well known for their faithful reproduction of "any" acoustic Instrument. Our AG line of amps are designed for the artist playing smaller venues, coffee shops, worship services, or just kicking back at home. Our CP-100 is designed for the performer who needs extra power on stage, it will fit the bill if you need to be heard above the crowd. Find your nearest Ultrasound dealer and hear why more people are plugging in their acoustics. (Look Ma, no amp!! Just great tone!) Our ULTRASOUND DI Plus provides the same great tone that our amps are famous for, through a PA system. For a quick refresher course on the basics and benefits of Acoustic Amplification, click on the link below to visit our online classroom.

13. Ultrasound - March Of Dimes ultrasound is a technique that uses sound waves to show a picture of a baby (fetus) in the uterus. Because it uses sound waves instead of radiation, http://www.marchofdimes.com/professionals/14332_1167.asp

View All Chapters Find Your Local Chapter Browse by Topic Folic Acid Pregnancy Prenatal Screening Infections/Diseases Loss Concerns Newborn Information Birth Defects Polio Genetics Research Funding Perinatal Statistics Medical References Continuing Education ... Prematurity Campaign Quick Reference: Fact Sheets Ultrasound Ultrasound is a technique that uses sound waves to show a picture of a baby (fetus) in the uterus. Because it uses sound waves instead of radiation, ultrasound is safer than X-rays. Ultrasound provides important information about the health of the fetus and conditions in the uterus. This information can guide a health care provider’s plans for a pregnant woman and improve the outcome of pregnancy. How does ultrasound work? Ultrasound works by bouncing sound waves off the developing fetus. Echoes from the waves are analyzed by computer to produce a moving or still picture, called a sonogram, on a screen. The technique is also called sonography. How is ultrasound performed? Two common forms of ultrasound used in pregnancy are: Transabdominal Transvaginal In a transabdominal ultrasound exam, the health care provider or medical technician moves a handheld device, called a transducer, along the pregnant woman's abdomen. The transducer sends sound waves into the woman’s uterus and also detects the echoes from those waves, which it then converts into electrical signals. The computer then assembles these signals into a picture. To get a clearer picture, the provider or technician covers the woman’s abdomen with a thin layer of gel, which helps improve the transmission of sound waves. The woman also may be asked to have a full bladder during the test. The exam is painless, but many women find having a full bladder uncomfortable.

14. Journal Of Ultrasound In Medicine Official journal of the American Institute of ultrasound in Medicine. http://www.jultrasoundmed.org/

Instructions to authors Subscriptions About the journal Editorial board ... The American Institute of Ultrasound in Medicine publishes Journal of Ultrasound in Medicine. Stanford University Libraries' assists in the publication of JUM Online Take JUM CME Tests Online! Select an Issue from the Archive January 1982 - February 2008 Search for Articles January 1982 - February 2008 Future Editorial Content Article Statistics Most-Read Articles Most-Cited Articles Current Issue: February 2008 (Next: February 25) Quick Search advanced Author: (e.g., Smith, JS) Keyword(s): Year: Vol: Page: Print ISSN: 0278-4297 Online ISSN: 1550-9613

15. Breast Ultrasound A breast ultrasound uses sound waves to make a picture of the tissues inside the breast. http://women.webmd.com/breast-ultrasound

var s_furl = "/breast-ultrasound"; var image_server_url = "http://img.webmd.com/dtmcms/live"; var priTopId = "1689"; var secTopId = ""; document.write(wmd_today); Bookmark This Page Site Map Sign up for WebMD Newsletters WebMD Home ... Drug News document.write(''); Women's Health Home Balance Fitness Parenting ... Pregnancy document.write(''); Men's Health Home Balance Fitness Parenting document.write(''); Children's Health Home Fitness Parenting Pregnancy ... Women’s Health Email a Friend Print Article Font Size A A A Breast Ultrasound A breast ultrasound uses sound waves to make a picture of the tissues inside the breast. A breast ultrasound can show all areas of the breast, including the area closest to the chest wall, which is hard to study with a mammogram . Breast ultrasound does not use X-rays or other types of radiation. A breast ultrasound is used to see whether a breast lump is filled with fluid (a cyst ) or if it is a solid lump. An ultrasound does not replace the need for a mammogram; however, it is often used to check a problem seen on a mammogram. For a breast ultrasound, a small handheld unit called a

16. What Is An Ultrasound? ultrasound is a procedure that uses highfrequency sound waves to view internal organs and produce images of the human body. The human ear cannot hear the http://www.ehealthmd.com/library/ultrasound/US_whatis.html

Ultrasound Last updated October 2004 Page 1 of 9 What Is An Ultrasound? When Is Ultrasound Needed? How Does It Work? Preparing For It ... Sources Of Information Other helpful websites: Yahoo! Health NIH What Is An Ultrasound? Ultrasound is a procedure that uses high-frequency sound waves to view internal organs and produce images of the human body. The human ear cannot hear the sound waves used in an ultrasound. Ultrasound is: Noninvasive, which means it does not penetrate the skin or body openings, and Diagnostic, which means it is used to determine what disease or condition is present The technical term for ultrasound imaging is sonography. Ultrasound technology was originally developed as sonar to track submarines during World War I. It was first used medically in the 1950s and is considered very safe. The original ultrasound scanners produced still images, but modern scanners produce moving pictures, which are easier to interpret. Back to Top of Page Next To continue, select a heading below: What Is An Ultrasound? When Is Ultrasound Needed? How Does It Work? Preparing For It ... Sources Of Information If you have a medical question, visit our Discussion Forum Home All Our Topics Contact Us ... Back to Top of Page Thanks for visiting our award winning site.

17. 3D 4D Ultrasound San Diego, California - The Ultrasound Experience We named our business “The ultrasound Experience,” because we believe the quality of your experience is just as important as the quality of the memories and http://www.theultrasoundexperience.com/

contact us schedule an appointment Two convenient locations! Call today for an appointment! San Marcos, California San Diego, California home ultrasound pricing our facilities frequent questions image gallery ... testimonials 4D Ultrasound Facilities are Not Created Equally! We provide a spacious and comfortable family theater environment with high resolution monitors and a memorable 100-inch view screen! Seventeen years of combined ultrasound imaging experience, many from within the Harvard medical system, is the foundation on which each of our sonographers has been trained in the very unique art of 3D/4D imaging. We welcome you to invite family members and closest friends to enjoy this once in a lifetime event with you! Tell Me More! Welcome to The Ultrasound Experience! We offer the finest 4D prenatal experience available. The Ultrasound experience is owned and operated by Harvard-trained, ARDMS certified sonographers. Combining cutting-edge technology with a family theater environment, we bring incredible images of your unborn baby to life! Extensive studies have found that ultrasound has never been shown to cause harm to mother or baby. 3D/4D scanning uses the same type of ultrasound as traditional 2D imaging in medical offices.

18. Ultrasound ultrasound examination, also called diagnostic medical sonography or sonography, is an imaging method that uses highfrequency sound waves to produce http://www.cnn.com/HEALTH/library/PR/00053.html

var cnnSiteWideCurrDate = new Date(2008, 0, 24); Member Center: Sign In Register International Edition Home Page ... CNN Pipeline In association with: WOMEN'S HEALTH Diagnostic Tests Allergy skin tests: Identify the sources of your sneezing Bone scan: Using nuclear medicine to find bone abnormalities Positron emission tomography (PET) scan Bone marrow biopsy and aspiration ... Colposcopy: A follow-up to abnormal Pap test results CANCER Diagnostic Tests Bone scan: Using nuclear medicine to find bone abnormalities Positron emission tomography (PET) scan X-ray CT scan ... Bone density test: Measure your risk of osteoporosis INFORMATION CENTERS: Pick a category Health Centers Family Health Men's Health Women's Health Children's Health Seniors' Health Working Life Pain Management Condition Centers Immune System Allergy Alzheimer's Arthritis Respiratory System Cancer Endocrine System Digestive System Heart and Blood Infectious Disease Mental Health Note: All links within content go to MayoClinic.com Features Ultrasound From MayoClinic.com

19. Pregnancy Week By Week - Pregnancy Calendar - Pregnancy Stages Trimesters - Pare The ultrasound frequency used for vaginal ultrasounds usually ranges from 5 to 7.5 Doppler ultrasound. Doppler ultrasounds are done in the same way as http://www.birth.com.au/Info.asp?class=6610&page=1

20. ULTRASOUND.COM Similar pages Download details ultrasound Monitoring and Troubleshooting Tool ultrasound is a monitoring and troubleshooting tool for the File Replication Service (FRS). http://www.ultrasound.com/

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