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Chronic subjective dizziness : ウィキペディア英語版 | Chronic subjective dizziness
The term Chronic Subjective Dizziness (CSD) is used to describe a commonly encountered type of dizziness that is not easily categorized into one of several other types, and for which the physical examination is typically normal. Patients with CSD frequently initially suffer a sudden injury of some sort to their vestibular system, the neurologic network that preserves sense of balance. Even after this initial injury has healed, people with CSD usually describe a vague sense of unsteadiness worsened by triggers in their environment such as high places, standing on moving objects, or standing in motion-rich environments like busy streets or crowds. There is a clear indication that anxiety and other mental illnesses play a role in the dizziness symptoms that occur with CSD. ==History== Perhaps the first account of CSD was the German neurologist Karl Westphal’s portrayal in the late 1800s of people who suffered dizziness, anxiety and spatial disorientation when shopping in town squares. This phenomenon was called “agoraphobia” to indicate a fear of the marketplace. The term is now used to describe a psychological fear, but Westphal’s original description included many symptoms of dizziness and imbalance not included in the modern psychiatric definition. Unlike people who feel anxious in crowds because they feel something bad will happen, people with CSD may dislike crowds because all the movement leads to a sensation of dizziness.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Chronic subjective dizziness」の詳細全文を読む
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