103812-4

LOINC 2.82

Patient state index Cerebral cortex Electroencephalogram (EEG)

PSi Scre Ctx EEG

Definition

  • PSi (Patient State index) is a processed EEG parameter related to the effect of anesthetic agents provided during neurosurgery and major back surgery. PSI has no units and ranges from 0 (fully suppressed EEG) to 100 (consistent with fully awake). Most values are with the 15 to 85 range

Component

  • Patient state index

Specimen / system

  • Cerebral cortex

Class

  • NEURO

Property

  • Score

Scale

  • Qn

Method

  • EEG

Related names

  • Cereb; Ctx; Electroencephalogram; NEURO; Point in time; PSi; QNT; Quan; Quant; Quantitative; Random; Scale; Scre

Index terms

  • Cereb
  • Ctx
  • Electroencephalogram
  • NEURO
  • Point in time
  • PSi
  • QNT
  • Quan
  • Quant
  • Quantitative
  • Random
  • Scale
  • Scre