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ultrasound    音标拼音: [,ʌltrəs'ɑʊnd]
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  • Ultrasound - Mayo Clinic
    Ultrasound is a valuable tool, but it has limitations Sound waves don't travel well through air or bone This means ultrasound isn't effective at imaging body parts that have gas in them or are hidden by bone, such as the lungs or head Ultrasound also may not be able to see objects that are located very deep in the human body
  • Abdominal ultrasound - Mayo Clinic
    An abdominal ultrasound is a medical imaging test that uses sound waves to see inside the belly area, also called the abdomen It's the preferred screening test for abdominal aortic aneurysm But the test may be used to diagnose or rule out many other health conditions
  • Doppler ultrasound: What is it used for? - Mayo Clinic
    Doppler ultrasound is a noninvasive test that can be used to measure the blood flow through your blood vessels It works by bouncing high-frequency sound waves off red blood cells that are circulating in the bloodstream A regular ultrasound uses sound waves to produce images, but can't show blood
  • Pelvic endometriosis: Ultrasound or MRI? - Mayo Clinic
    An MRI presents a global view of the pelvic region, while ultrasound is limited by what the transducer can reach However, specialized pelvic ultrasound can potentially help clarify involvement of deep endometriosis in some pelvic structures
  • Fetal ultrasound - Mayo Clinic
    3D fetal ultrasound The image below is from a 3D fetal ultrasound This type of ultrasound can make images that are clearer and more detailed than standard fetal ultrasound images A 3D fetal ultrasound is sometimes used to detect facial problems, bone problems or neural tube defects Some companies offer 3D ultrasounds outside of medical settings
  • Echocardiogram - Mayo Clinic
    The ultrasound wand goes through the catheter and moves near the heart The wand gives off sound waves It records the sound waves that bounce back from the heart A computer changes the information into moving images The images are seen on a monitor A healthcare professional watches your oxygen level during the test Stress echocardiogram
  • Ultrasound - Doctors Departments - Mayo Clinic
    Departments and specialties Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota Staff skilled in dozens of specialties work together to ensure quality care and successful recovery
  • Carotid ultrasound - Mayo Clinic
    Carotid (kuh-ROT-id) ultrasound is a procedure that uses sound waves to look at blood flow through the carotid arteries The carotid arteries are a pair of blood vessels on each side of the neck They deliver blood from the heart to the brain A carotid ultrasound also checks the thickness of the carotid artery wall and for blood clots
  • Endoscopic ultrasound - Mayo Clinic
    Endoscopic ultrasound is a procedure that combines endoscopy and ultrasound to create images of the digestive tract and nearby organs and tissues It also is called EUS During EUS, a thin, flexible tube called an endoscope is placed in the digestive tract An ultrasound device on the tip of the tube uses high-frequency sound waves to create detailed images of the digestive tract and other
  • High-intensity focused ultrasound (HIFU) - Mayo Clinic
    Mayo Clinic healthcare professionals treat prostate cancer with focal high-intensity focused ultrasound (HIFU) to improve outcomes while minimizing damage to tissue around the prostate Mayo Clinic imaging researchers work with doctors from many specialties to expand the use of HIFU Doctors and scientists are studying ways to improve HIFU for treating prostate and other cancers, uterine





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