Skip navigation
MedlinePlus Trusted Health Information for YouU.S. National Library of MedicineNational Institutes of Health
Contact UsFAQsSite MapAbout MedlinePlus
HomeespañolHealth TopicsDrugs & SupplementsMedical EncyclopediaDictionaryNewsDirectoriesOther Resources
Collections
Clusters

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.

During an ultrasound test, a special technician or doctor moves a device called a transducer over part of your body. The transducer sends out sound waves, which bounce off the tissues inside your body. The transducer also captures the waves that bounce back. Images are created from these sound waves. (Read more)

Photograph of a female technician performing an ultrasound on a pregnant woman accompanied by a man
Results 1-10 of 1,430 for echocardiography
  1. Ultrasound (National Library of Medicine)
    Ultrasound uses high-frequency sound waves to look at organs and structures inside the body. Health care ... liver and other organs. During pregnancy, doctors use ultrasound tests to examine the fetus. Unlike x-rays, ...
    www.nlm.nih.gov/medlineplus/ultrasound.html - Health Topics
  2. Prenatal Testing (National Library of Medicine)
    Prenatal testing provides information about your baby's health before he or she is born. Testing is available to pregnant women Who are aged 35 or older, because ...
    www.nlm.nih.gov/medlineplus/prenataltesting.html - Health Topics
  3. Ultrasound Interactive Tutorial (Patient Education Institute)
    ... in blood vessels. This is called Doppler ultrasound. Ultrasound Test A doctor or a specialized ultrasound technologist ... reading ultrasound images will analyze the pictures. Invasive Ultrasounds Most ultrasound tests are done with a transducer ...
    www.nlm.nih.gov/.../tutorials/ultrasound/htm/index.htm - External Health Links
  4. Echocardiography Stress Test Interactive Tutorial (Patient Education Institute)
    X-Plain Echocardiography Stress Test Reference Summary Introduction A stress echocardiogram helps a doctor see images of the heart before and ... technology is similar to the one used in ultrasounds of pregnant women. The doctor can read the ...
    www.nlm.nih.gov/.../tutorials/echocardiography/htm/index.htm - External Health Links
  5. Transvaginal ultrasound
    Endovaginal ultrasound; Ultrasound - transvaginal; Sonohysterography; Hysterosonography; Saline infusion sonography; SIS ... during pregnancy. In some cases, a special transvaginal ultrasound method called saline infusion sonography (SIS), also called ...
    www.nlm.nih.gov/medlineplus/ency/article/003779.htm - Medical Encyclopedia
  6. Intravascular ultrasound
    IVUS; Ultrasound - coronary artery; Endovascular ultrasound ... Ultrasound uses sound waves to create moving images of organs and systems within the body. IVUS is ...
    www.nlm.nih.gov/medlineplus/ency/article/007266.htm - Medical Encyclopedia
  7. Stress echocardiography
    Echocardiography stress test; Stress test - echocardiography ... Stress echocardiography is a test that uses ultrasound to help diagnose heart disease. ... rhythm (ECG) will be monitored throughout the procedure. Ultrasound images will be recorded during the procedure. Another ...
    www.nlm.nih.gov/medlineplus/ency/article/007150.htm - Medical Encyclopedia
  8. Duplex ultrasound
    Vascular ultrasound ... The test combines traditional ultrasound with Doppler ultrasonography . Regular ultrasound uses sound waves that bounce off blood vessels to create pictures. Doppler ultrasound records sound ...
    www.nlm.nih.gov/medlineplus/ency/article/003433.htm - Medical Encyclopedia
  9. Pregnancy ultrasound
    Pregnancy sonogram; Obstetric ultrasonography; Obstetric sonogram; Ultrasound - pregnancy ... developing fetus, to create a picture on the ultrasound machine. In some cases, a pregnancy ultrasound may ...
    www.nlm.nih.gov/medlineplus/ency/article/003778.htm - Medical Encyclopedia
  10. Eye and orbit ultrasound
    Echography - eye; Ultrasound - eye ... eye is numbed with medicine (anesthetic drops). The ultrasound wand (transducer) is placed against the front surface of the eye. The ultrasound uses high-frequency sound waves that travel through ...
    www.nlm.nih.gov/medlineplus/ency/article/003797.htm - Medical Encyclopedia
previous · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · next