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Environmental EMS

Environmental Emergencies

What is conduction? The trasnfer of heat from one material to another through direct contact.
Whats is convection? Carrying away of heat bu currents of air or water.
Whats is radiation? Sending out energy.
What is evaporation? Water being vaporized from the body causing a cooling effect.
Define hypothermia A cooling of the body that reduces body temperature below normal.
Define passive rewarming. Covering a patient and taking others steps to prevent further heat loss.
Define active rewarming. Application of an external heat source to rewarm the body of a already hypothermic patient.
Define central rewarming. Heat applied to the lateral core of the body. Chest, neck, armpits and groin.
How slow can the heart rate go during extreme hypothermia? Less the 10 beats per minute.
Define local cooling. Cooling or freezing of particular parts of the body.
Whats parts of the body does local cooling generaly effect? Nose, ears, face, hands, feet and toes.
Whats it the first sign oc a localized cooling injury? Exposed skin reddens or will lighten depending on skin color.
How hot does water need to be to rapidly rewarm a patients frozen body part? 100-105F
Define hyperthermia. an increase in body temperature above normal.
How is heat lost? Through the lungs and the skin.
Created by: 738261881



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