1. A 28-year-old male is found down in a snowbank. He was last
seen leaving a nearby bar a few hours prior. The outdoor
temperature is -16°C. There is no previous medical history
available. You approach the patient and unable to find a radial
pulse however the patient responds to verbal stimulus and you
note shallow breathing
2. Stage Clinical Features Typical
Temperature
I Conscious, shivering 32 – 35°C
89.6 --- 95F
II Impaired consciousness, not
shivering
28 – 32°C
82.4 - 89.6F
III Unconscious, not shivering,
vital signs present
24 – 28°C
75.2 - 82.4F
Stage Treatment < 24°C/75.2F
3. I Warm environment and
clothing, warm sweet drinks
and active movement
II Cardiac monitoring, careful
movement of patient to avoid
arrhythmias, full-body
insulation, active external
rewarming Call ALS
III Same as hypothermia II with
airway management as
indicated Call ALS
IV All of the above with CPR,
defibrillation Call ALS
