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Fig. 1 | Critical Care

Fig. 1

From: How to monitor thiopental administration in the intensive care unit for refectory status epilepticus or intracranial hypertension?

Fig. 1

Examples of suppression ratio (SR) changes during the 2 h surrounding the blood sample time. Three different examples of SR changes are plotted in blue. The first two curves show similar SR in the same patient with a constant midazolam infusion, whereas thiopental concentrations vary by a ratio of 3. The last curve of another patient without midazolam, shows a different SR decay while the thiopental concentration is comparable to the one of the second curve. The lower panel presents three raw EEG samples of the lower SR curve (arrows A, B and C) using three bipolar derivations (right: C4–T4, midline: Fz–Cz, and left: C3–T3, see EEG montage of the left) with a 0.53 Hz high-pass filter and an 80 Hz low-pass filter

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