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The Daily Insight

How does bruit sound like

Author

Robert Spencer

Published Mar 01, 2026

The lowdown on bruits Bruits are vascular sounds resembling heart murmurs. Sometimes they’re described as blowing sounds. The most frequent cause of abdominal bruits is occlusive arterial disease in the aortoiliac vessels.

What does a bruit sound like in the neck?

Your doctor may listen to your neck for a sound called a bruit (pronounced “broo-EE”). This whooshing sound is often heard when a carotid artery is narrowed. If your doctor thinks you may have stenosis, you will have a Doppler ultrasound. This test uses sound waves to show how blood flows through an artery or vein.

Is a bruit soft or loud?

The bruit caused by local constriction of a carotid or vertebral artery is usually: 1. Focal. The bruit is often loudest at the bifurcation high in the neck and inaudible at the base.

What should you hear when Auscultating carotid artery?

It is important to listen to at least three locations over each carotid artery: 1) the base of neck; 2) the carotid bifurcation; and, 3) the angle of the jaw. Listen also over the subclavian artery.

Can you hear your own carotid bruit?

By placing a stethoscope over the carotid artery in your neck, your doctor can listen for a rushing sound, called a bruit (pronounced “brew-ee”). But, the results of this test can be misleading. Bruit sounds may not always be present, even when carotid artery disease is severe.

Can you feel a bruit in your neck?

Arterial tortuosity and kinking, which may be palpated in the cervical region, can be a source of turbulence and bruits. Also, compression syndromes, such as the cervical rib or scalenus anticus syndrome, may also be manifest by bruits in the neck.

What is a thrill in the carotid artery?

A thrill is a vibratory sensation felt on the skin overlying an area of turbulence and indicates a loud heart murmur usually caused by an incompetent heart valve.

How do you hear bruits?

The bruit may be heard (“auscultated”) by securely placing the head of a stethoscope to the skin over the turbulent flow, and listening. Most bruits occur only in systole, so the bruit is intermittent and its frequency dependent on the heart rate.

When is a carotid bruit heard?

A carotid bruit is a vascular sound usually heard with a stethoscope over the carotid artery because of turbulent, non-laminar blood flow through a stenotic area. A carotid bruit may point to an underlying arterial occlusive pathology that can lead to stroke.

What does a venous hum sound like?

The cervical venous hum is a continuous machinery-like noise heard over the internal jugular vein at the base of the neck. It is loudest in diastole, during inspiration and with the patient in the upright position.

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What does a bruit indicate?

Bruits are blowing vascular sounds resembling heart murmurs that are perceived over partially occluded blood vessels. When detected over the carotid arteries, a bruit may indicate an increased risk of stroke; when produced by the abdomen, it may indicate partial obstruction of the aorta or…

Can you feel a bruit?

The rumbling or swooshing sound of a dialysis fistula bruit is caused by the high-pressure flow of blood through the fistula. Although the bruit is usually heard with a stethoscope, it also can be felt on the overlying skin as a vibration, also referred to as a thrill.

What does thrill feel like?

A thrill feels like a vibration and a heave feels like an abnormally large beating of the heart.

Is a carotid thrill normal?

Almost any murmur may be loud enough to be accompanied by a thrill, but in a few conditions they are very common. A systolic thrill over the aortic area and transmitted into the carotid arteries is common in aortic stenosis, but the thrill is not necessary for the diagnosis.

How do you check a carotid pulse?

To check your pulse over your carotid artery, place your index and middle fingers on your neck to the side of your windpipe. When you feel your pulse, look at your watch and count the number of beats in 15 seconds. Multiply this number by 4 to get your heart rate per minute.

Can you feel carotid artery in neck?

The carotid arteries are two large blood vessels that supply oxygenated blood to the large, front part of the brain. This is where thinking, speech, personality, and sensory and motor functions reside. You can feel your pulse in the carotid arteries on each side of your neck, right below the angle of the jaw line.

Can you feel a carotid artery blockage?

In its early stages, carotid artery disease often doesn’t produce any signs or symptoms. The condition may go unnoticed until it’s serious enough to deprive your brain of blood, causing a stroke or TIA.

Why do I have a carotid bruit?

Carotid bruits generally result from turbulent, non-laminar flow through a stenotic lesion, which causes arterial wall vibrations distal to the stenosis. The vibrations are transmitted to the body surface, where they can be detected with a stethoscope.

What is the difference between a murmur and bruit?

When normal laminar blood flow within the heart is disrupted, an audible sound is created by turbulent blood flow. Outside of the heart, audible turbulence is referred to as a bruit, whereas inside the heart it is called a murmur.

What do abdominal Bruits indicate?

An abdominal bruit is a swishing, or washing machine like sound heard when the diaphragm of stethoscope is placed over the spleen, renal arteries, or abdominal aorta. It is often indicative of partial occlusion of a vessel, as can be observed in renal artery stenosis or atherosclerosis of the abdominal vasculature.

Where are venous hums heard?

The flow of blood can cause the vein walls to vibrate creating a humming noise which can be heard by the subject. Typically, a peculiar humming sound is heard in the upper chest near the clavicle. This may be confused with a heart murmur. The venous hum is heard throughout the cardiac cycle.

Is venous hum continuous?

The venous hum, a continuous murmur usually of maximum intensity in the supraclavicular area, is a common auscultatory finding. Heard particularly in children, it is of no known pathological significance.

What is flow murmur?

Flow murmur is the medical term for an unusual sound that occurs as blood flows through the heart or its surrounding arteries. It is a type of physiologic murmur, meaning that the murmur itself is usually harmless. Flow murmurs are common among children and teens but usually go away by adulthood.

What is a carotid bruit test?

The exam generally includes listening for a swooshing sound (bruit) over the carotid artery in your neck, a sound that’s characteristic of a narrowed artery. Your doctor may then test your physical and mental capabilities such as strength, memory and speech.