Table 3

Utility and limitations of track and trigger systems (TTS)

TTS areTTS are not
An aid to good clinical judgementSubstitutes for clinical judgement
‘Red flag’ markers of potential or established critical illnessPredictors of the inevitable development of critical illness
Aids to effective communication and a means of securing appropriate help for sick patientsA comprehensive clinical assessment tool
Indicators of physiological competenceIndicators of the need for immediate critical care admission
Indicators of physiological trends