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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
Fetal ultrasound should only be done for medical reasons as part of prenatal care, based on the advice of a doctor or other licensed health care professional If you're getting ready for an ultrasound, check out the following images They'll give you an idea of what to expect and help you better understand what you see during the ultrasound
- 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
- Ecografía - Mayo Clinic
En una ecografía transvaginal, un profesional de atención médica o un técnico usa un transductor, que es un dispositivo con forma de varita El transductor se inserta en la vagina mientras estás recostada boca arriba en una camilla de exploración El transductor emite ondas sonoras que generan imágenes de los órganos pélvicos
- Respecting patients choices for tremor surgery - Mayo Clinic
Focused ultrasound thalamotomy is a noninvasive surgery in which focused sound waves travel through the skull The waves generate heat to ablate tissue in a specific area of the thalamus to stop tremor Focused ultrasound is contraindicated in patients with skull density above or below certain thresholds, impaired gait, or speech dysarthria
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