Disease or Syndrome
dysautonomia
[ dis-aw-tuh-noh-mee-uh ]
Subclass of:
Autonomic nervous system disorders
Definitions related to dysautonomia:
  • A condition in which there is a severe imbalance in the autonomic nervous system.
    ACC/AHA Clinical Data Terminology
    American College of Cardiology and American Heart Association , 2020
  • An acute or chronic disorder, affecting the sympathetic or parasympathetic nervous system. It can be primary, the result of central nervous system degeneration, or secondary due to diabetes or alcoholism. Patients with the chronic form of this disorder usually have a progressive clinical course and a poor prognosis.
    NCI
    U.S. National Cancer Institute, 2021
  • (primary dysautonomias) Disorders of the AUTONOMIC NERVOUS SYSTEM occurring as a primary condition. Manifestations can involve any or all body systems but commonly affect the BLOOD PRESSURE and HEART RATE.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (abnormal autonomic nervous system physiology) A functional abnormality of the autonomic nervous system.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.