
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 cells that …
Echocardiogram - Mayo Clinic
Nov 12, 2024 · An echocardiogram uses sound waves to show how blood flows through the heart and heart valves. Sensors attached to the chest and sometimes the legs check the heart rhythm during …
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 can cause …
Patent foramen ovale - Diagnosis & treatment - Mayo Clinic
Oct 25, 2022 · This test can show the speed and direction of blood flow in the heart. If you have a patent foramen ovale, this type of echocardiogram usually shows blood moving between the upper heart …
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 side of the …
Arteriosclerosis / atherosclerosis - Diagnosis and treatment - Mayo Clinic
Echocardiogram. This test uses sound waves to show blood flow through the heart. It also shows the size and shape of the structures of the heart. Sometimes an echocardiogram is done during an …
Peripheral artery disease (PAD) - Diagnosis and treatment - Mayo Clinic
Aug 9, 2024 · Diagnosis To diagnose peripheral artery disease (PAD), a healthcare professional examines you. You are usually asked questions about your symptoms and medical history. If you …
Coronary calcium scan - Mayo Clinic
May 31, 2025 · Coronary calcium scan results can help determine the risk of heart attacks or strokes. Results from the scan may be used to plan or change treatment for coronary artery disease. Other …
Renal artery stenosis - Diagnosis and treatment - Mayo Clinic
Jul 12, 2025 · Diagnosis To diagnose renal artery stenosis, your healthcare professional may start with: A physical exam. This includes listening through a stethoscope over the kidneys for sounds that may …
Carotid ultrasound - Doctors & Departments - Mayo Clinic
Jan 15, 2025 · This test looks at blood flow through arteries on the sides of the neck that move blood from the heart to the brain.