Abstract
The history of monitoring is traced from ancient times until the invention of transducers and computers. The relevance of progress in resuscitation is emphasized.
The more recent evolution of electromedical apparatus is considered from single signal detection, display and alarm to multiple signal processing, trend analysis and diagnosis.
The aim of patient monitoring is to give warning of early or dangerous deterioration and to achieve this by obtaining an optimal compromise involving many design factors, clinical, engineering and economic.
A new philosophy is illustrated by the specification and development of the Lifeline patient monitor. The translation of clinical diagnoses into electronic switching logic is of particular importance.
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Selected References
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