98720-6

LOINC 2.82

Spontaneous activity.positive sharp waves of Muscle on EMG

Spont activity.PSWs Muscle EMG

Definition

  • Positive sharp waves occur when the needle tip damages a muscle fiber, which causes a spontaneous action potential to propagate up to the needle tip. These are similar to muscle fibrillation and also occur in acutely denervated fibers. [PMID: 15961866]

Component

  • Spontaneous activity.positive sharp waves

Specimen / system

  • Muscle

Class

  • NEURO

Property

  • Find

Scale

  • Ord

Method

  • EMG

Related names

  • Activ; Actvty; Finding; Findings; Movements; Musc; Muscl; NEURO; Ordinal; Point in time; Pos; QL; Qual; Qualitative; Random; Screen; Spont activity; Spont activity.PSWs

Index terms

  • Activ
  • Actvty
  • Finding
  • Findings
  • Movements
  • Musc
  • Muscl
  • NEURO
  • Ordinal
  • Point in time
  • Pos
  • QL
  • Qual
  • Qualitative
  • Random
  • Screen
  • Spont activity
  • Spont activity.PSWs