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JA Clinical Reports
Fig. 2 | JA Clinical Reports

Fig. 2

From: Falsely high patient state index during cardiopulmonary bypass with intra-aortic balloon pumping: a case report

Fig. 2

The display window of SedLine® without intra-aortic balloon pumping. Electroencephalogram (EEG) (top), patient state index (PSI) and suppression ratio (middle), and color density spectral array (DSA) (bottom) are shown. PSI was 14 and suppression ratio was 32 with almost flat EEG at the time point C in Fig. 1. The vertical white dotted lines indicate each second, and a horizontal white line shows 1 s in EEG. DSA indicates time (x-axis), frequency (y-axis), and power (color scale) with 95% spectral edge frequency (white line). Vertical black lines with a blue bar at 0 Hz timeline in DSA, conveying periods of suppression, were observed when PSI was extremely low

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