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Table 1 NACA Score

From: Advanced medical life support procedures in vitally compromised children by a helicopter emergency medical service

Score level Patient status Necessary intervention
I Slight injury or illness No medical intervention
II Moderately heavy injury or illness Ambulatory medical treatment
III Heavy, but not life threatening injury or illness Stationary medical treatment
IV Heavy injury or illness, life threat cannot be excluded Emergency medical measures
V Acute mortal danger Emergency medical measures
VI Acute cardiac or respiratory arrest Emergency resuscitation
VII Death  
  1. The National Advisory Committee for Aeronautics (NACA) developed a simple scoring system for patients receiving air transport during the Vietnam War.2