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Fig. 3 | JA Clinical Reports

Fig. 3

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

Fig. 3

The display window of SedLine® after restarting intra-aortic balloon pumping. Patient state index (PSI) was increased from 14 to 80 after restarting intra-aortic balloon pumping (IABP) before weaning from cardiopulmonary bypass. Regular oscillation noises at about 60 Hz corresponding to the frequency of IABP (white arrow) are observed on almost flat EEG (top) at the time point D in Fig. 1. The vertical white dotted lines indicate each second, and a horizontal white line shows 1 s in EEG. Ninety-five percent spectral edge frequency was 9.4 Hz and 9.2 Hz on the left and right side, respectively. The density spectral array trend indicates the predominance of low frequency waves

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