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Figure 1 | Critical Care

Figure 1

From: A Cerebral Recovery Index (CRI) for early prognosis in patients after cardiac arrest

Figure 1

Example of two signals with different variance in amplitude. The signal in (A) shows two short periods with high amplitude on a zero background; the variance in amplitude in this signal is relatively high, whereas the signal in (B) has a more-regular or constant amplitude. The signal in A can be compared with an EEG showing a burst-suppression pattern, whereas the signal in B can be compared with an EEG with continuous amplitude. This is expressed in the regularity index (compare Equation 2 and Figure 2).

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