| Body Temp |
Symptoms |
Observable
by Others |
Felt by
Yourself |
| °F | °C |
98.6
to
95.0 |
37
to
35 |
Intense and uncontrollable shivering; ability to perform complex tasks
impaired. |
Slowing of pace. Intense shivering. Poor coordination |
Fatigue. Uncontrollable fits of shivering. Immobile, fumbling hands. |
95.0
to
91.4 |
35
to
33 |
Violent shivering persists, difficulty in speaking, sluggish thinking,
amnesia begins to appear. |
Stumbling, lurching gait. Thickness of speech. Poor judgement. |
Stumbling. Poor articulation. Feeling of deep cold or numbness. |
91.4
to
87.8 |
33
to
31 |
Shivering decreases; replaced by muscular rigidity and erratic, jerky
movements; thinking not clear but maintains posture. |
Irrationality, incoherence. Amnesia, memory lapses. Hallucinations.
Loss of contact with environment. |
Disorientation. Decrease in shivering. Stiffening of muscles.
Exhaustion, inability to get up after a rest. |
87.8
to
85.2 |
31
to
29.5 |
Victim becomes irrational, loses contact with environment, drifts into
stupor; muscular rigidity continues; pulse and respiration slowed. |
Blueness of skin. Decreased heart and respiratory rate. Dilation of
pupils. Weak or irregular pulse. Stupor. |
Blueness of skin. Slow, irregular, or weak pulse. Drowsiness. |
85.2
to
78.8 |
29.5
to
26 |
Unconsciousness; does not respond to spoken word; most reflexes cease
to function; heartbeat becomes erratic. |
Unconsciousness. |
78.8
and
less |
26
and
less |
Failure of cardiac and respiratory control centers in brain; cardiac
fibrillation; probable edema and hemorrhage in lungs; apparent death. |
