Stages of Cold-Water Immersion

Stages of Cold Water Immersion

1. Cold Water Shock( 2-3 Minutes)

   • Hyperventilation
   • Muscle spasms
   • Change in heart rate/blood pressure

2. Impaired Function (3-30 Minutes)

   • Loss of basic motor skills
   • Loss of strength and sensation in limbs
   • Loss of ability to swim

3. Immersion Hypothermia (30+ Minutes)

   • Drop in body temperature below the normal level
   • Unconsciousness