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Table 2 National Committee on Aeronautics (NACA)

From: The epidemiology of medical emergency contacts outside hospitals in Norway - a prospective population based study

Score level

Patient status

NACA 0

No injury or illness

NACA 1

Not acute life-threatening disease or injury

NACA 2

Acute intervention not necessary; further diagnostic studies needed

NACA 3

Severe but not life threatening disease or injury; acute intervention necessary

NACA 4

Development of vital (life threatening) danger possible

NACA 5

Acute vital (life threatening) danger

NACA 6

Acute cardiac or respiratory arrest

NACA 7

Death