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In this case, the auditory system undergoes temporary changes caused by a decrease in the oxygen tension of the cochlear endolymph that leads to vasoconstriction of the local vessels. [28] Further research could be done to see if this is a reason for the increased TTS during physical exercise that is during continued noise-exposure as well.
Tinnitus is usually subjective, meaning that the sounds the person hears are not detectable by means currently available to physicians and hearing technicians. [3] Subjective tinnitus has also been called "tinnitus aurium", "non-auditory", or "non-vibratory" tinnitus. In rare cases, tinnitus can be heard by someone else using a stethoscope.
The usual symptoms are tinnitus, ataxia, difficulty with coordination, vertigo, nausea, vomiting, and hearing loss. [ 10 ] [ 11 ] It is not unusual for other symptoms of decompression sickness to be present simultaneously, which can make diagnosis easier, but sometimes only vestibular symptoms manifest.
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The biochemical basis for the toxicity of oxygen is the partial reduction of oxygen by one or two electrons to form reactive oxygen species, [56] which are natural by-products of the normal metabolism of oxygen and have important roles in cell signalling. [57] One species produced by the body, the superoxide anion (O −
Objective tinnitus can be heard from those around the affected person and the audiologist can hear it using a stethoscope. Tinnitus can also be categorized by the way it sounds in one's ear, pulsatile tinnitus [18] which is caused by the vascular nature of Glomus tumors and non-pulsatile tinnitus which usually sounds like crickets, the sea and ...
Tinnitus is the largest single category for disability claims in the military, with hearing loss a close second. [16] The third largest category is post-traumatic stress disorder , which itself may be accompanied by tinnitus and may exacerbate it.
"The reasons for this are unclear, but it may be due to anatomical differences such as the location of one’s stomach in relation to the diaphragm as that could make stomach irritation more ...
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