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Internet Search Results
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 ...
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.
Ultrasound - Mayo Clinic
Overview Diagnostic ultrasounds use sound waves to make pictures of the body. Ultrasound, also called sonography, shows the structures inside the body. The images can help guide diagnosis and treatment for many diseases and conditions. Most ultrasounds are done using a device outside the body. However, some involve placing a small device inside the body.
Arteriosclerosis / atherosclerosis - Symptoms and causes
Atherosclerosis is a specific type of arteriosclerosis. Atherosclerosis is the buildup of fats, cholesterol and other substances in and on the artery walls. This buildup is called plaque. The plaque can cause arteries to narrow, blocking blood flow. The plaque also can burst, leading to a blood clot. Although atherosclerosis is often considered a heart condition, it can affect arteries ...
Botox injections - Mayo Clinic
Depending on the problem being treated, the effect may last 3 to 4 months. To maintain the effect, you'll likely need regular follow-up injections spaced at least three months apart.
Renal artery stenosis - Diagnosis and treatment - Mayo Clinic
Your healthcare professional might order the following imaging tests: Doppler ultrasound. High-frequency sound waves help a healthcare professional see the arteries and kidneys and check how they work. This procedure also helps find if the blood vessels are blocked and measure how bad the blockage is. CT scan. This is a type of imaging that uses X-ray techniques to make detailed images of the ...
Priapism - Diagnosis & treatment - Mayo Clinic
Ultrasound. You might have Doppler ultrasonography — a noninvasive test that can be used to estimate blood flow through blood vessels by bouncing high-frequency sound waves (ultrasound) off circulating red blood cells. This test can be used to measure blood flow within your penis that would suggest ischemic or nonischemic priapism.
Arteriosclerosis / atherosclerosis - Diagnosis and treatment - Mayo Clinic
Doppler ultrasound. A healthcare professional may use a special ultrasound device to check blood flow at different points in your body. The test results show the speed of blood flow in the arteries. This can reveal any narrowed areas. Ankle-brachial index (ABI). This test compares the blood pressure in the ankle with that in the arm.
Publications - Andrew J. Fagan, Ph.D. - Mayo Clinic
Malone A, Chari D, Cournane S, Naydenova I, Fagan A, Browne J. Investigation of the assessment of low degree (<50%) renal artery stenosis based on velocity flow profile analysis using Doppler ultrasound: An in-vitro study.
Tricuspid valve regurgitation - Symptoms and causes
The condition also may be called: Tricuspid regurgitation. Tricuspid insufficiency. Some people are born with heart valve disease that leads to tricuspid regurgitation. This is called congenital heart valve disease. But tricuspid valve regurgitation also may occur later in life due to infections and other health conditions. Mild tricuspid valve regurgitation may not cause symptoms or require ...
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