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Drop attacks

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Drop attacks describes the sudden falling to one's knees without loss of consciousness and without warning. Recovery is immediate.

Possible cause of drop attacks include:

  • colloid cyst - this may cause a transient blockage of the cerebral aqueduct (like a ball-valve)
  • vertebro-basilar stroke
  • spondylotic osteophytes impinging on vertebral arteries with cranial rotation
  • idiopathic

Often the attacks spontaneously stop after a year or two.

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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