Bruit
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Through Fever
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. Anything increasing the blood flow velocity such as fever, anemia, hyperthyroidism, or physical exertion, can increase the amplitude of the bruit.
Etymology
It is naturalized from the French word for "noise", although another notes that and are also common, and others give only for the cardiac sense.
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Associated terms
Describing location of a partial obstruction
- Peripheral vascular disease; femoral artery stenosis
- Renal artery stenosis
- Stroke, carotid artery stenosis
- Aortic aneurysm
- Tinnitus – a symptom which may be caused by a cranial artery bruit
- Arteriovenous malformation
- Coarctation of the aorta
- Hepatocellular carcinoma
- Alcoholic hepatitis
Describing the mechanism of a partial obstruction
- Atherosclerosis (atheroma or plaque) (cholesterol deposition in artery wall)
- Median arcuate ligament syndrome, celiac artery stenosis – external compression
Describing location of localized high blood flow
- Arteriovenous (AV) fistula – pathologic or surgically created
- Graves' disease, goitre
- Paget's disease
Unclassified
- Polymyalgia rheumatica
- Giant cell arteritis
- Fibromuscular dysplasia
- IgG4-related disease
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