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Dysautonomia, autonomic failure, or autonomic dysfunction is a condition in which the autonomic nervous system (ANS) does not work properly. This may affect the functioning of the heart , bladder , intestines , sweat glands , pupils , and blood vessels.
Rapid-onset obesity with hypothalamic dysregulation, hypoventilation, and autonomic dysregulation (ROHHAD) is a rare condition whose etiology is currently unknown. [1] ROHHAD mainly affects the endocrine system and autonomic nervous system, but patients can exhibit a variety of signs.
Autoimmune gastrointestinal dysmotility (AGID) is an autoimmune disease autonomic neuropathy affecting the gastrointestinal organs and digestive system of the body. Dysmotility is when the strength or coordination of the esophagus, stomach or intestines muscles do not work as they should. [1]
Orthostatic intolerance (OI) is the development of symptoms when standing upright that are relieved when reclining. [1] There are many types of orthostatic intolerance. OI can be a subcategory of dysautonomia, a disorder of the autonomic nervous system [2] occurring when an individual stands up. [3]
Autonomic dysreflexia (AD) is a life-threatening medical emergency characterized by hypertension and cardiac arrhythmias. [1] This condition is sometimes referred to as autonomic hyperreflexia. [ 2 ] Most cases of AD occur in individuals with spinal cord injuries.
Chronic and progressive onset of autonomic symptoms may indicate diabetes, amyloidosis, or Sjogren's syndrome. AAG can be difficult to distinguish from degenerative autonomic disorders such as pure autonomic failure or multiple system atrophy when autonomic symptoms appear gradually. When the time course is unknown, the presence of prominent ...
MSA is characterized by the following: Autonomic and at least one Motor (clinically established MSA criteria 2022) [6] [7] autonomic dysfunction: Post-void urinary residual volume ≥100 mL (usually by ultrasound); Unexplained urinary urge incontinence; or Neurogenic orthostatic hypotension (≥20/10 mmHg blood pressure drop) within 3 minutes (usually by head‐up tilt)
Complex regional pain syndrome (CRPS Type 1 and Type 2), sometimes referred to by the hyponyms Reflex Sympathetic Dystrophy (RSD) or Reflex Neurovascular Dystrophy (RND), is a rare and severe form of neuroinflammatory and dysautonomic disorder causing chronic pain, neurovascular, and neuropathic symptoms.