Doppler ultrasound: What is it used for? - Mayo Clinic
Dec 5, 2023 · A Doppler ultrasound can estimate how fast blood flows by measuring the rate of change in its pitch, also called frequency. A technician trained in ultrasound imaging, called a sonographer, performs the Doppler ultrasound. The sonographer presses a small hand-held device against the skin over the area of your body being examined.
Echocardiogram - Mayo Clinic
Nov 12, 2024 · 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 - Mayo Clinic
May 3, 2024 · Diagnostic ultrasound is a safe procedure that uses low-power sound waves. There are no known risks. 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.
Fetal ultrasound - Mayo Clinic
Jun 24, 2023 · 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.
Abdominal ultrasound - Mayo Clinic
Nov 5, 2024 · An abdominal ultrasound exam takes about 30 minutes to complete. After the procedure. You should be able to return to regular activities right after an abdominal ultrasound. Results. After an abdominal ultrasound, your healthcare professional shares the results with you at a follow-up visit. Or you may get a call with the results.
Carotid ultrasound - Mayo Clinic
Jan 12, 2023 · The ultrasound technician may use a Doppler ultrasound, which shows blood flowing through the arteries. In a Doppler ultrasound, the rate of blood flow is translated into a graph. There have been vast technological advances in carotid ultrasounds, improving the quality and resolution of the images. A carotid ultrasound usually takes about 30 ...
Renal artery stenosis - Diagnosis and treatment - Mayo Clinic
May 3, 2022 · Doppler ultrasound. High-frequency sound waves help your doctor see the arteries and kidneys and check their function. This procedure also helps your doctor find blockages in the blood vessels and measure their severity. CT scan.
Peripheral artery disease (PAD) - Diagnosis and treatment - Mayo …
Aug 9, 2024 · Ultrasound of the legs or feet. Sound waves create pictures of how blood moves through the blood vessels of the legs or feet. Doppler ultrasound is a special type of ultrasound used to spot blocked or narrowed arteries. Angiography. This test uses imaging tests and a dye to look for blockages in the arteries. The dye is given through a blood ...
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.
Perflutren lipid microsphere (intravenous route) - Mayo Clinic
Apr 1, 2024 · Perflutren lipid microsphere is an ultrasound contrast agent. Ultrasound contrast agents are used to help provide a clear picture during ultrasound. Ultrasound is a special kind of diagnostic procedure. It uses high-frequency sound waves to create images or “pictures” of certain areas inside the body.