becomes apparent, movements slow and laboured, stumbling pace, mild confusion, may appear alert. Use sobriety test, if unable to walk a 9 meter (30 foot) straight line, the person is hypothermic. 33.9-32.2ºC Violent shivering (93 - 90ºF) persists, difficulty speaking, sluggish thinking, amnesia starts to appear, gross muscle movements sluggish, unable to use hands, stumbles frequently, difficulty speaking, signs of depression, withdrawn. 32.2-30ºC Shivering stops, (90 - 86ºF) exposed skin blue of puffy, muscle coordination very poor, inability to walk, confusion, incoherent/irrational behaviour, but may be able to maintain Severe posture and appearance of awareness 30-27.8ºC Muscle rigidity, (86 - 82ºF) semiconscious, stupor, loss of awareness of others, pulse and respiration rate decrease, possible heart fibrillation.
becomes apparent, movements slow and laboured, stumbling pace, mild confusion, may appear alert. Use sobriety test, if unable to walk a 9 meter (30 foot) straight line, the person is hypothermic. 33.9-32.2ºC (93 - 90ºF) Violent shivering persists, difficulty speaking, sluggish thinking, amnesia starts to appear, gross muscle movements sluggish, unable to use hands, stumbles frequently, difficulty speaking, signs of depression, withdrawn. Severe 32.2-30ºC (90 - 86ºF) Shivering stops, exposed skin blue of puffy, muscle coordination very poor, inability to walk, confusion, incoherent/irrational behaviour, but may be able to maintain posture and appearance of awareness 30-27.8ºC (86 - 82ºF) Muscle rigidity, semiconscious, stupor, loss of awareness of others, pulse and respiration rate decrease, possible heart fibrillation.
CCOHS-Cold-Environments-Health-Affects-First-Aid.docx