Cauda Equina Syndrome Flashcards

1
Q

What are signs of cauda equina syndrome?

A
Saddle anaesthesia
Bladder distension + urinary retention
Anal tone reduction 
Reduced/absent ankle reflexes
Down-going plantars
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2
Q

Why is saddle anaesthesia present in CES?

A

Compression of sensory fibres leaving spine at S3-S5

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3
Q

Why is bladder distention/urinary retention present in CES?

A

Motor paralysis of detrusor muscle

Sensory loss leads to urinary retention

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4
Q

Why are anal tone/ankle reflexes reduced/absent in CES?

A

Lower motor neurone nature of the weakness reduces anal tone and ankle reflexes

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5
Q

Which conditions are planters up-going and down-going?

A

Up-going

  • compression higher up the spine than lumbar/sacral spine
  • CSE signs would be absent

Down-going
- CSE

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