This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in

Electromyography in polymyositis

Authoring team

Compared to normal muscle, that in polymyositis shows:

  • reduced duration and amplitude of action potentials
  • greatly increased proportion of polyphasic action potentials
  • in severe weakness, the number of action potentials may be reduced
  • occasionally, there may be spontaneous fibrillations from the distal part of the neurone

Create an account to add page annotations

Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page

The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

Connect

Copyright 2024 Oxbridge Solutions Limited, a subsidiary of OmniaMed Communications Limited. All rights reserved. Any distribution or duplication of the information contained herein is strictly prohibited. Oxbridge Solutions receives funding from advertising but maintains editorial independence.