
Doppler ultrasound: What is it used for? - Mayo Clinic
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 …
Carotid ultrasound - Mayo Clinic
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 …
Peripheral artery disease (PAD) - Diagnosis and treatment - Mayo …
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 …
Echocardiogram - Mayo Clinic
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 …
Ankle-brachial index - Mayo Clinic
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 …
Renal artery stenosis - Diagnosis and treatment - Mayo Clinic
Jul 12, 2025 · Your healthcare professional might order the following imaging tests: Doppler ultrasound. High-frequency sound waves help a healthcare professional see the arteries and …
Varicose veins - Diagnosis and treatment - Mayo Clinic
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 …
Deep vein thrombosis (DVT) - Diagnosis & treatment - Mayo Clinic
Jun 11, 2022 · This test often can help rule out Pulmonary Embolism (PE). Duplex ultrasound. This noninvasive test uses sound waves to create pictures of how blood flows through the …
Mesenteric ischemia - Diagnosis and treatment - Mayo Clinic
Jun 24, 2025 · Adding a contrast dye can help pinpoint areas where the arteries have narrowed. Doppler ultrasound. This noninvasive test uses sound waves to check blood flow, which can …
Ecografía Doppler: ¿Para qué se usa? - Mayo Clinic
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 …