Mental or Behavioral Dysfunction
panic attack
pan·ic at·tack
Definitions related to panic attacks:
  • A sudden episode of intense fear in a situation where there is no danger or apparent cause.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • An episode of intense fear accompanied by symptoms such as heart palpitations, sweating and chills or hot flushes, a sensation of dyspnea, chest pain, abdominal distress, depersonalization, fear of going crazy, and fear of dying.
    NCI
    U.S. National Cancer Institute, 2021
  • Panic attack, sudden onset of intense apprehension, fear, or terror that occurs without apparent cause. A panic attack is diagnosed based on the occurrence of at least four physical (somatic) or psychological symptoms. Physical symptoms may include shortness of breath, palpitations or accelerated...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 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.