Doppler ultrasound: What is it used for? - Mayo Clinic
Dec 5, 2023 · 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 flow.
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
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.
Ecografía Doppler: ¿Para qué se usa? - Mayo Clinic
Dec 5, 2023 · ¿Qué es la ecografía Doppler? Respuesta de Sheldon G. Sheps, M.D. La ecografía Doppler es una prueba no invasiva que puede usarse para medir el flujo de sangre que pasa por los vasos sanguíneos. Funciona emitiendo ondas sonoras de alta frecuencia en los glóbulos rojos que circulan por el ...
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 ...
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.
Erectile dysfunction - Care at Mayo Clinic
Mar 29, 2022 · Mayo Clinic's approach to men's sexual health is to comprehensively screen for cardiovascular diseases and endocrine conditions, such as low testosterone, that might cause erectile dysfunction. Mayo Clinic offers a full range of options for noninvasive testing of erectile dysfunction, including color Doppler ultrasound of penile blood flow.
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 ...
Mesenteric ischemia - Diagnosis and treatment - Mayo Clinic
Jun 2, 2023 · Doppler ultrasound. This noninvasive test uses sound waves to check blood flow, which can determine ...
多普勒超声：其用途是什么？ - 妙佑医疗国际 - Mayo Clinic
Dec 5, 2023 · 回答 Sheldon G. Sheps, M.D. 多普勒超声是一种无创检查，可用于测量流过血管的血流。其工作原理是高频超声波在碰到血流中循环的红细胞时会发生反射。常规超声使用声波生成图像，但不能显示血流。 多普勒超声可以帮助诊断 ...