A further critical evaluation of requests for electrodiagnostic examinations

Dario Cocito, A. Tavella, P. Ciaramitaro, P. Costa, F. Poglio, I. Paolasso, E. Duranda, F. M. Cossa, B. Bergamasco

Research output: Contribution to journalArticlepeer-review


The aim of this study was to evaluate the impact of electrophysiological (EDX) tests in the clinical management and diagnosis of patients, and the appropriateness of the referral diagnosis. A study was carried out in three electrodiagnostic services in the Torino area, over a 12-month period. In our study 3,900 individuals (2,340 females, 1,560 males) were evaluated. Patients underwent EDX examinations including nerve conduction study, electromyography and repetitive stimulation test. Most patients had been sent for EDX tests by specialists. Specialists suspected mainly polyneuropathy, whilst general practitioners suspected mainly carpal tunnel syndrome. Seventy-two percent of the requests were correctly formulated, 55% by general practitioners and 77% by specialists. There was a concordance between the results of the EDX tests and diagnostic hypothesis 40% of the time. This study confirms the usefulness and diagnostic impact of EDX examinations and evidences the amount of time and resources wasted as a result of incorrect or incomplete requests.

Original languageEnglish
Pages (from-to)419-422
Number of pages4
JournalNeurological Sciences
Issue number6
Publication statusPublished - Feb 2006


  • Electrodiagnosis
  • Electrodiagnostic services
  • Electromyography
  • Nerve conduction study
  • Referrals

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology


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