Cerebral function monitor CFM

The CFM is a single channel, filtered trace from 2 recording electrodes placed over the parietal regions of the scalp. A third electrode may be used in the midline to help with interference detection. The parietal recording electrodes are usually placed close to watershed areas of the brain in order to allow maximum sensitivity for ischaemia detection. Voltage is displayed against time on a chart running at 6-30cm/h.

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