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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 …
Bradycardia - Symptoms and causes - Mayo Clinic
Dec 13, 2024 · Bradycardia, shown on the right, is a slower than typical heart rhythm that often starts in the area of the heart called the sinus node. A typical heart rhythm is shown in the …
Vascular centers - Tests and procedures - Mayo Clinic
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.