Neurology Book

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Bulbocavernosus Reflex

Aka: Bulbocavernosus Reflex, Bulbospongiosus Reflex, Osinski Reflex
  1. Pathophysiology
    1. Anal sphincter contraction relies on S2-4 innervation
  2. Technique
    1. Rectal exam and evaluate anal sphincter tone
    2. Perform one of following triggers and evaluate for increased anal tone
      1. Slight traction of Foley Catheter
      2. Compressing/Squeezing glans penis or clitoris
  3. Interpretation
    1. Bulbocavernosus Reflex absent
      1. Spinal Shock
    2. Bulbocavernosus Reflex present
      1. Severed spinal cord

Bulbocavernosus reflex (C0422912)

Concepts Finding (T033)
SnomedCT 246583001
English Bulbocavernosus reflex, BCR - Bulbocavernosus reflex, Bulbocavernosus reflex (observable entity)
Spanish reflejo bulbocavernoso (entidad observable), reflejo bulbocavernoso
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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