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Reduced Anal Sphincter Tone

August 5th, 2019


  • Feel For

  • Inability to squeeze the anal sphincter against a gloved finger.
  • Causes of Decreased Anal Tone

  • Cauda equina syndrome (internal & external sphincter) - spinal cord compression / trauma
  • Pudendal neuropathy (external sphincter) - obstetric trauma, multiple sclerosis, diabetes mellitus
  • Anal trauma (internal / external sphincter) - obstetric, idiopathic, other
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