Early Warning Scores


Physiological track and trigger systems should be used to monitor all adult patients in hospital. An example of a physiological track and trigger system is the National Early Warning Score 2 (NEWS2). This is a simple scoring system used to aid recognition of acutely ill patients or patients who are deteriorating. An increasing score triggers a call for assessment from the medical team.

All early warning score systems at a minimum should monitor:

NEWS2 uses the following observations:

A rising NEWS2 indicates a deterioration in the patients clinical condition and triggers a specific response:

Observation chart
Observation chart


Observation chart (reverse)
e-Observation chart