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1Sound or other vibrations having an ultrasonic frequency, particularly as used in medical imaging.
- ‘This is measured by means of ultrasound and electro-magnetic mechanisms.’
- ‘In these cases it sometimes helps to subject the fracture site to pulsed electromagnetic fields or to ultrasound.’
- ‘It has a video camera eye, and several ultrasound sensors which emit pulses of sound and can measure the distance from an object by the echo.’
- ‘The big brother of ultrasound, infrasound means frequencies too low to be heard by the human ear.’
- ‘The researchers found that mist emission decreased with increasing ultrasound power.’
- ‘Hifu treatment uses a beam of high intensity ultrasound focused on the cancer.’
- ‘This moth, upon hearing a bat, emits ultrasound pulses at its wing beat rate to identify it to the bat.’
- ‘A smaller, portable machine called a Doppler uses ultrasound for intermittent monitoring.’
- ‘Even at low levels ultrasound can cause jarring vibrations and a rise in temperature.’
- ‘Under each ultrasound condition, viability of cells was also assessed using trypan blue.’
- ‘I believe this technology is based on ultrasound, not magnetism.’
- ‘The use of ultrasound and magnetic resonance since 1945 has also made it easier to diagnose disease.’
- ‘Lasers, ultrasound and freezing can also be used to take out tonsils.’
- ‘The appendix can also be directly imaged under ultrasound using a linear transducer.’
- ‘Phacoemulsification is the procedure in which the lens is dissolved using sound energy or ultrasound.’
- ‘Echocardiography is the study of the heart using high frequency sound waves or ultrasound.’
- ‘See here for some stuff on ultrasound weaponry, if you are interested.’
- ‘Similar setups are used on a much larger scale for ultrasound cleaning in industry.’
- ‘Because it uses sound waves instead of radiation, ultrasound is safer than X-rays.’
- ‘Conveniently, ultrasound also has a shorter range than audible sound.’
- 1.1 An ultrasound scan, especially one of a pregnant woman to examine the fetus.
examination, screeningView synonyms
- ‘Of the women whose ultrasounds showed abnormal lymph nodes, 92.8% had cancerous nodes at surgery.’
- ‘Some other countries' health plans call for one or two ultrasounds per pregnancy, although I have not been able to determine whether this in fact takes place.’
- ‘According to the Fraser Institute, between 2000-03, delays for CT and MRI scans and ultrasounds jumped.’
- ‘These tests may include blood tests, urinalysis and imaging studies, such as ultrasounds or angiography.’
- ‘Although most are rarely needed, there are literally hundreds of laboratory tests and other studies that can be ordered (X-rays, CT scans, ultrasounds, etc.).’
- ‘Does she get yearly ultrasounds and blood tests to screen for ovarian cancer?’
- ‘Hundreds of images are taken during the MRI exam, analyzed by computer and physician, then compared to the patient's mammograms and ultrasounds.’
- ‘‘They have to have hormonal injections, come for ultrasounds, scans, blood tests - and honestly I can't see anybody doing it for free,’ says Tan.’
- ‘Such is the demand in the United States, technician operated 4D ultrasounds are readily available in scanning booths in shopping malls, enabling parents to purchase a video of their moving fetus.’
- ‘Women should not be patronised, marginalised or ‘forced’ to undergo or watch ultrasounds in early pregnancy.’
- ‘The doctor took one look at her, admitted her into the hospital, did tests, CAT scans, MRI's, ultrasounds, and a biopsy.’
- ‘Abdominal ultrasounds, multiple upper gastrointestinal studies and an air contrast barium enema had been normal since the cholecystectomy.’
- ‘It's present at birth, and the cysts are usually visible on prenatal ultrasounds.’
- ‘Where once this procedure had been reserved for problem pregnancies or those occurring in ‘older’ women, today, with no medical authorization, pregnant women can obtain ultrasounds in shopping malls.’
- ‘These typically will resolve without intervention, but they are monitored with periodic renal ultrasounds to ensure complete resolution.’
- ‘Returning to the office, he was pleased to find copies of both obstetric ultrasounds awaiting him, each with evidence of a viable intrauterine pregnancy.’
- ‘There are three types of ultrasounds: scanning devices, doptones, and external fetal monitors (EFMs).’
- ‘Because of my controversial choices, I've had regular, probably more than most women, mammograms, ultrasounds.’
- ‘The counselor will also want to look over your medical records, including any ultrasounds, prenatal test results, past pregnancies, and medications you may have taken before or during pregnancy.’
- ‘I never listened when I got the ultrasounds and examinations, I didn't want to hear.’
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