NEWS2 in out-of-hospital settings, the ambulance and the emergency department.

As more healthcare is provided in non-hospital settings, it is essential to support clinicians in recognising early signs of clinical deterioration to enable prompt intervention and treatment. There are intuitive reasons why the use of the National Early Warning Score 2 (NEWS2) in out-of-hospital settings may enhance the community response to acute illness by using a common language across healthcare. An additional advantage of the use of NEWS2 in community settings is that it is not disease specific and requires no expensive technology or great expertise to take a full set of observations that can be an indicator of clinical acuity. However, concerns have been expressed as NEWS2 was developed in acute hospital settings that it may not be applicable in community settings; this review shares some of the practical ways that NEWS2 can support clinical practice along with the emerging published evidence.

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