Thinking becomes sluggish and mind starts to wander. Shivering decreases and muscles start to stiffen. Exposed skin becomes blue and puffy. Thinking becomes fuzzy. Muscle coordination becomes difficult and movements are jerky or erratic.
Victim becomes irrational.
Pulse and respiration are slowed. Victim does not respond to the spoken word, falls into unconsciousness. Heartbeat becomes erratic. Get out of the wind, take shelter, light fire, cover body with extra garments to retain heat, once fire ignited, remove wet clothes and dry. Remove patient from wind, shelter, light fire, remove wet clothing and replace with dry clothing.