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Fig. 1 | Critical Care

Fig. 1

From: SSEP retains its value as predictor of poor outcome following cardiac arrest in the era of therapeutic hypothermia

Fig. 1

Somatosensory evoked potentials recorded from the scalp and neck of a normal subject after median stimulation at the wrist (a) and from a 78-year-old male with absent cortical responses after cardiac arrest who died without awakening (b). In b there is preservation of the brachial plexus (EP) and cervical medullary activity (N13) but N20 is absent in the Fz referenced contralateral cortex (Fz-Cc) as recorded in channel 2. In addition to pseudolaminar necrosis of the cortex, there was severe neuronal loss in the thalamus at necropsy

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