Physiological observation track and trigger system
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Physiological observation track and trigger system

Robert J Oakey Research and development fellow, Royal Lancaster Infirmary, Lancaster
Valerie Slade Outreach sister, Furness General Hospital, Barrow-in-Furness, Cumbria

A patient observation chart was developed to combine physiological observation charting with the calculation and recording of an early warning score (EWS); this was named the Physiological Observation Track and Trigger System (POTTS©). Reference to a table of instructions is no longer needed and the EWS can be calculated with minimal error. Increased frequency and accuracy of EWS recording assist in identifying patients at risk of deterioration and enhance patient safety.

Nursing Standard. 20, 27, 48-54. doi: 10.7748/ns2006.


Peer review

This article has been subject to double blind peer review