Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

[Spontaneous electromyographic activity. Practical importance].

M Georgesco1, A Salerno

  • 1Unité fonctionnelle d'explorations neuromusculaires, service de neurologie B, centre hospitalier universitaire de Montpellier, hôpital Gui-de-Chauliac, 34295 Montpellier, France.

Neurophysiologie Clinique = Clinical Neurophysiology
|December 29, 2000
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

SWI as an Alternative to Contrast-Enhanced Imaging to Detect Acute MS Lesions.

AJNR. American journal of neuroradiology·2022
Same author

The New Challenge of Geriatrics: Saving Frail Older People from the SARS-COV-2 Pandemic Infection.

The journal of nutrition, health & aging·2020
Same author

Example of antimicrobial stewardship program in a community hospital in Italy.

Medecine et maladies infectieuses·2019
Same author

THE DECADE OF THE RABiT (2005-15).

Radiation protection dosimetry·2016
Same author

Effects of short-term manipulation of serum FFA concentrations on left ventricular energy metabolism and function in patients with heart failure: no association with circulating bio-markers of inflammation.

Acta diabetologica·2015
Same author

Incretins or anti-incretins? A new model for the "entero-pancreatic axis".

Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme·2014

Spontaneous activities in electromyography indicate motor unit or muscle fiber hyperactivity. Understanding these signs, like fasciculations and fibrillations, aids in diagnosing neurological and muscular disorders.

Area of Science:

  • Neurology
  • Electrophysiology
  • Muscle Physiology

Context:

  • Spontaneous activities are key indicators in electromyography (EMG).
  • These activities reflect underlying muscle and nerve function.
  • Distinguishing between motor unit and muscle fiber hyperactivity is crucial.

Purpose:

  • To explore various aspects of spontaneous activities in EMG.
  • To differentiate between normal and pathological findings.
  • To propose a new classification for these activities.

Summary:

  • Spontaneous activities in EMG arise from abnormal muscle fiber membrane potential firing.
  • Two main types exist: motor unit hyperactivity (fasciculations, myokymia) and muscle fiber hyperactivity (fibrillations, positive sharp waves, etc.).

Related Experiment Videos

  • Lesions in the axon cause the former, while muscle fiber membrane issues cause the latter, regardless of specific cause.

    • Impact:

    • Provides practical insights into interpreting EMG findings.
    • Facilitates diagnosis of neuromuscular conditions like denervation and myopathies.
    • Offers a novel classification system for spontaneous EMG activities.