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Aetiology

Authoring team

Paraesthesiae result from disordered function in the pathways connecting the finer and discriminative aspects of sensibility. This may be caused by:

  • ischaemia of peripheral nerves
  • pH changes affecting calcium ions and nerve conduction, as in hyperventilation and metabolic disturbances
  • polyneuropathy
  • transient ischaemia of the sensory cortex
  • sensory jacksonian epilepsy due to a cortical lesion
  • posterior column lesions of the spinal cord

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