The clinical role of evoked potentials | 合法醫療器材資訊網

由PWalsh著作·2005·被引用214次—demonstrateabnormalsensorysystemconduction,whenthehistoryand/orneurological...ThestandardclinicaltestinvolvestherecordingofthepatternreversalVEPs....ThelatencyofP100isaffectedbyanumbero

Neuro-electric responses to sensory stimuli can be readily and non-invasively recorded using averaging techniques first employed by Dawson in 1947.1 The evoked responses can be quantified by measuring peak amplitudes and latencies, in the millisecond (ms) domain, and they provide numerical data that are quantitative extensions of the neurological examination. The clinical utility of evoked potentials (EPs) is based on their ability to:

demonstrate abnormal sensory system conduction, when the history and/or neurological examination is equivocal

reveal subclinical involvement of a sensory system (“silent” lesions), particularly when demyelination is suggested by symptoms and/or signs in another area of the central nervous system