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Fig. 3 | JA Clinical Reports

Fig. 3

From: Perioperative abnormal electroencephalography in a later-stage elderly with septic shock: a case report

Fig. 3

A frequency analysis for the EEG from anesthetic induction to end of surgery. A frequency analysis for the EEG from anesthetic induction to end of surgery is shown. The relative slow-wave ratio [spectral power (0.5–8 Hz)/spectral power (0.5–30 Hz)] from before anesthesia induction to the end of surgery was 95.1%, whereas the relative alpha frequency ratio [spectral power (8–13 Hz)/spectral power (0.5–30 Hz)] was only 2.4%

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