What is the role of electromyography in the diagnosis of neurogenic bladder?

Updated: Dec 06, 2018
  • Author: Bradley C Gill, MD, MS; Chief Editor: Edward David Kim, MD, FACS  more...
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Answer

Answer

EMG helps to ascertain whether voiding is coordinated or uncoordinated. Failure of urethral relaxation during bladder contraction results in uncoordinated voiding (detrusor sphincter dyssynergia). EMG allows accurate diagnosis of the detrusor sphincter dyssynergia that is common in spinal cord injuries.


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