Major IncidentsBMJ 2014; 348 doi: https://doi.org/10.1136/bmj.g1144 (Published 28 March 2014) Cite this as: BMJ 2014;348:bmj.g1144
- Lizle Blom1,
- John J. M. Black2
- Royal Berkshire Hospital Reading, UK
- John Radcliffe Hospital Oxford, UK
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Phases of a major incident:
The Department of Health's Strategic National Guidance to the NHS for Major Incident Emergency Planning (2005) defines a major incident as any occurrence that presents a serious threat to the health of the community, disruption to the service or causes such numbers or types of casualties as to require special arrangements to be implemented by hospitals, ambulance trusts or primary care organisations (Box 1). Varying types of casualties and medical incidents fall into this category. The type of incident will indicate the resources required. Every hospital should therefore have a major incident plan to use when normal resources are unable to cope. Whereas natural disasters account for most deaths worldwide, accidents (Figure 1) or terrorist incidents involving the transport system, such as the London bombings in 2005 (Figure 2), remain a significant risk in the United Kingdom.
Major incident definition
Major incidents can be:
Simple or compound
Compensated or uncompensated
Natural or man-made.
Most incidents are:
Simple (environment intact)
Compensated (patient load less than capacity available)
Major incidents can arise in a variety of ways.
Big bang: a serious transport accident, explosion or series of smaller incidents.
Rising tide: infectious disease epidemic or a capacity/staffing crisis.
Cloud on the horizon: a serious threat such as a major chemical or nuclear release developing elsewhere and needing preparatory action.
Headline news: public or media alarm about a personal threat.
Deliberate release of chemical, biological, radiological or nuclear materials (CBRN …