As far as is known, it is at present planned by the Civil Defence that each doctor, working in a forward medical-aid unit, place every casualty into one of three carefully defined categories to determine whether or not that casualty is worth hospital treatment.
Polo que se sabe, a Defensa Civil proxecta actualmente que cada doutor, traballando nunha unidade de auxilio médico de avance, poña cada baixa dentro dunha das tres categorías coidadosamente definidas para determinar se cada baixa paga a pena que reciba un tratamento hospitalario