NHS England have published this fantastic resource [Click here] covering Major Incidents including; gunshot, crush, nerve agents and much more.
This is not to replace our trusts “Major Incident Plan”, however its a great learning resource and worth going through
Nerve Agent Guidance
P1 (Severe): Unconscious, convulsions, respiratory distress, respiratory paralysis / arrest, profound bradycardia (< 40), cyanosis.
P2 (Moderate): Not walking. Excessive secretions, confusion, not obeying commands, wheezing, incontinence.