Chapter 32: Environmental Emergencies Flashcards
air embolism
Air bubbles in the blood vessels
ambient temperature
The temperature of the surrounding environment
antivenin
A serum that counteracts the effect of venom from an animal or insect
bends
common name for decompression sickness
breath-holding syncope
loss of consciousness caused by a decreased breathing stimulus
conduction
The loss of heat by direct contact (eg. when a body part comes into contact with a colder object).
convection
The loss of body heat caused by air movement (eg. breeze blowing across the body)
core temperature
The temperature of the central part of the body (eg. the heart, lungs, and vital organs)
decompression sickness
A painful condition seen in divers who ascend too quickly, in which gas, especially nitrogen, forms bubbles in blood vessels and other tissues; also called “the bends”
diving reflex
Slowing of the heart rate caused by submersion in cold water
drowning
The process of experiencing respiratory impairment from submersion or immersion in liquid
dysbarism injuries
Any signs and symptoms caused by the difference between the surrounding atmospheric pressure and the total gas pressure in various tissues, fluids, and cavities of the body
evaporation
Conversion of water or another fluid from a liquid to a gas
frostbite
damage to tissues as the result of exposure to cold; frozen body parts
heat cramps
Painful muscle spasms usually associated with vigorous activity in a hot environment