Carotid bruit
Carotid Bruit
Carotid bruit (/kəˈrɒtɪd/ /bruːiː/), is a vascular sound that the blood makes as it flows over an obstruction in the carotid artery. The term "bruit" is derived from the French word for noise, while "carotid" is derived from the Greek word "karōtides" which means "to put to sleep", as pressure on these arteries was believed to induce sleep.
Description
A carotid bruit is a vascular murmur sound heard over the carotid artery area on auscultation during a physical examination. It is caused by turbulent blood flow due to narrowing (stenosis) or due to a local increase in flow (e.g., hyperthyroidism). The bruit may be continuous or pulsatile.
Clinical significance
The presence of a carotid bruit is significant as it may indicate underlying carotid artery disease, which increases the risk of stroke. However, the absence of a bruit does not rule out significant carotid stenosis.
Diagnosis
Diagnosis of a carotid bruit is typically made by a healthcare provider during a physical examination using a stethoscope. Further diagnostic tests such as carotid ultrasound, MRA, or CTA may be used to confirm the diagnosis and assess the severity of the stenosis.
Treatment
Treatment for a carotid bruit depends on the underlying cause and may include lifestyle changes, medication, or in severe cases, carotid endarterectomy or carotid artery stenting.
See also
References
External links
External links
- Medical encyclopedia article on Carotid bruit
- Wikipedia's article - Carotid bruit
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