Dysautonomia is any disease or malfunction of the autonomic nervous system. This includes postural orthostatic tachycardia syndrome (POTS), neurocardiogenic syncope, mitral valve prolapse dysautonomia, pure autonomic failure, multiple system atrophy (Shy-Drager syndrome), and a number of lesser-known disorders.
In some cases, dysautonomia results in a reduction in the ability of the heart and circulatory system to compensate for changes in posture, causing dizziness or syncope (fainting) when one, eg, stands suddenly. In other cases, the heart may race (tachycardia) for no apparent reason (known as Inappropriate sinus tachycardia), or the kidneys may fail to properly retain water (diabetes insipidus).
The effects of dysautonomia may be minor, only limiting the patient's activities slightly, or they may be totally disabling, leaving the patient bedridden.
More on [ Dysautonomia ]

Dysautonomia Information Network - DINET provides information and personal stories on several types of dysautonomia.
Dysautonomia Information Network - Raises awareness of autonomic nervous system dysfunction and promotes dysautonomia education, support and networking.
Dysautonomia Youth Network of America, Inc. - A non-profit organization dedicated to youth impacted with various dysautonomia conditions.
Meta Description: [ A non-profit organization established specifically for youth with dysautonomia. ]
Joan E. Simms Story - A personal story touching on mitral valve prolapse syndrome, TMJ, and chronic fatigue syndrome along with some helpful hints and links.
National Dysautonomia Research Foundation - Information and support concerning autonomic nervous system disorders.
Meta Description: [ NDRF provides patient support, medical referral, educational material, newsletters, an online discussion forum and a research protocol database for individuals impacted with dysautonomia. ]
National Institute of Neurological Disorders and Stroke - Information sheet on dysautonomia including treatment and prognosis.
Meta Description: [ Dysautonomia (autonomic dysfunction) information page compiled by the National Institute of Neurological Disorders and Stroke (NINDS). ]
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