Jul 3, 2025 · 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 …

Feb 6, 2024 · To diagnose varicose veins, a healthcare professional might use a test called a venous Doppler ultrasound of the leg. It's a painless test that uses sound waves to look at …

Jan 15, 2025 · 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 …

The ankle-brachial index test is a quick, simple way to check for peripheral artery disease (PAD). The disease happens when narrowed arteries reduce the blood flow to the arms or legs. PAD …

Apr 22, 2025 · Learn about the expertise and services at Mayo Clinic vascular centers for adults and children with conditions of the blood vessel and lymphatic systems.

Jul 3, 2025 · 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 …

Jul 3, 2025 · 多普勒超声通过测量音高（或者说频率）的变化率来估计血液流动的速度。由接受过超声成像培训的技术人员（称为超声医师）执行多普勒超声操作。超声医师用一个手持式小设 …

Nov 13, 2024 · Diagnosis To diagnose an arteriovenous malformation, also known as an AVM, your healthcare professional reviews your symptoms and gives you a physical exam. Your …

Aug 9, 2024 · 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 …

Nov 12, 2024 · This chamber is the heart's main pumping area. Doppler echocardiogram. Sound waves change pitch when they bounce off blood cells moving through the heart and blood …