... medical emergency contacts outside hospitals in Norway - a prospective population based study. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2010 18:9.Submit your next manuscript ... score was in the analyses cate-gorised as NACA 0-1 , indicating a patient either withno symptoms/injuries or in no need of medical treat-ment, NACA 2-3 , indicating need of medical helpwhere value ... possibleNACA 5 Acute vital (life threatening) dangerNACA 6 Acute cardiac or respiratory arrestNACA 7 DeathZakariassen et al. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2010,...