loading...| Preferred Name | Pulsatile tinnitus | |
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http://www.ustb.edu.cn/thesauri/tocr/v1/data#C578969684615884802 |
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Tinnitus of vascular origin Tinnitus of vascular origin (disorder) pulsatile tinnitus Vascular tinnitus |
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| definition |
Pulsatile tinnitus is generally classified a kind of objective tinnitus, meaning that it is not only audible to the patient but also to the examiner on auscultation of the auditory canal and/or of surrounding structures with use of an auscultation tube or stethoscope. Usually, pulsatile tinnitus is heard as a lower pitched thumping or booming, a rougher blowing sound which is coincidental with respiration, or as a clicking, higher pitched rhythmic sensation. Pulsatile tinnitus may be associated with vascular abnormalities such as arterioevenous shunts or glomus tumors or the jugular vein, arterial bruits related to a high-riding carotid artery (close to the auditory areas) or carotid stenosis, or venous abnormalities such as a dehiscent jugular bulb or to hypertension. Finally, in some patients, mechanical abnormalities such a spatulous eustachian tubes, palatomyoclonus (small spasms of muscles in the soft palate area), or idiopathic stapedial muscle spasm may represent the underlying cause of pulsatile tinnitus. |
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Pulsatile tinnitus |
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Pulsatile tinnitus |
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http://www.ustb.edu.cn/thesauri/tocr/v1/data#C571346083343495350 |