- A dictionary of medical eponyms

Pedersen's syndrome

Alternative eponyms

  • Dix-Hallpike syndrome

Related people

Sudden onset of vertigo.

Description

Sudden onset of vertigo, gradually becoming paroxysmal, usually in association with asthenic symptoms. Head movements enhance the symptoms. Signs: fever, gait and stance disturbed. Absent response to caloric stimulation on one side, nystagmus with quick component to the opposite side. Normal hearing; occasionally response positive on both sides. The disease occurs in conjunction with encephalitis. Occurs in two forms, ons is characterized by gastrointestinal complications, the other by upper respiratory tract infection.

Bibliography

  • E. Pedersen:
    Epidemic vertigo: clinical picture, epidemiology and relation to encephalitis.
    Brain, Oxford, December 1959, 82: 566-580.
  • M. R. Dix, C. S. Hallpike:
    The pathology, symptomatology and diagnosis of certain common disorders of vestibular system.
    Proceedings of the Royal Society of Medicine, London, 1962; 45: 341-347.

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