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CFAM I Cerebral Function Analyser Monitor, Welwyn Garden City, England, 1977

The CFAM I Cerebral Function Analyser Monitor helped doctors monitor brain function during comas and surgical procedures such as heart surgery. Doctors needed to understand if, and when, a patient’s brain was at risk during the surgery. The machine produces a physical ‘readout’ of brain function on a paper graph. This was analysed. Recordings of the electrical signals of the brain are called electroencephalograms (EEGs). The machine shown is a pre-production model. It was manufactured by Devices Limited with RDM Consultants Limited in 1977. It is a direct descendant of the London Hospital Survival Predictor (see 1997-1918). This predicted whether a patient in a coma following a heart attack would survive. This machine was acquired from the Department of Electrical Engineering at the University of Hertfordshire.

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Glossary: brain death

A state of irreversible coma, due to irreversible brain damage, resulting in a lack of response to all stimuli and a complete absence of any spontaneous muscle activity.

Glossary: cerebral function monitor

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