Orthostatic intolerance (OI) is the development of symptoms when standing upright which are relieved when reclining. There are many types of orthostatic intolerance. OI can be a subcategory of dysautonomia, a disorder of the autonomic nervous system occurring when an individual stands up.There is a substantial overlap between syndromes of orthostatic intolerance on the one hand, and either chronic fatigue syndrome (CFS) or fibromyalgia (FM) on the other. It affects more women than men (female-to-male ...
在Wikipedia中阅读更多内容