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EMT-B Bradey V11 - Chapter 22
Enviromental Emergancies
27
Health Care
Undergraduate 1
03/13/2010

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Cards

Term
What are 2 methods the body will use to create heat?
Definition
Muscular activity in the form of shivering, and the rate at which fuel is burned in the body. p517
Term
What are the methods the body can loose or gain heat?
Definition
Conduction - transfer of heat through direct contact.
Convection - The transfer of heat throuogh the air, gases, or liquids.
Radiation - heating via the x-ray spectrum.
Evaporation - the cooling effect when water evaporates off the body.
Respiration - heat loss as warm air is exhaled from the body.
Hypothermia - generalized cooling that reduces the body temperature. p518
Term
What is water chill?
Definition
Chilling of the body from wet clothing. p518
Term
What age group is hypothermia especially a serious problem?
Definition
The elderly. p518
Term
What is the lowest core body temperature that a pt will be still be consciousness?
Definition
80 degrees F or 26.6 Degrees C p519
Term
What is passive rewarming?
Definition
The act of allowing the body to rewarm itself. p520
Term
What is active rewarming?
Definition
The application of external heat sources to the body to assist in the bodies rewarming. p520
Term
What should follow active rewarming?
Definition
Transport. Rewarm the pt while en route.
Term
What can be some complications that can result from giving a conscious alert hypothermia pt fluids to quickly?
Definition
Circulations patterns can change possibility sending blood away from the core to the skin and extremities. p521
Term
Should an hypothermic alert and conscious pt be given oral or liquid stimulants?
Definition
No. p521
Term
What is central rewarming?
Definition
Where heat is applied to the lateral chest, neck, armpits, and groin. p522
Term
How long should you assess an hypothermic pt for a pulse.
Definition
30-45 seconds. p522
Term
How long can a hypothermic pt postpone biological death?
Definition
Over 30 minutes. p522
Term
What is local cooling?
Definition
Cooling or freezing to a localized part of the body. p 523
Term
What should the water temperature be for rewarming an hypothermic extremity.
Definition
100F - 105F
Term
What is the condition when a pt temperature regulating mechanism fails and the body can't rid itself of excess heat?
Definition
Heat stroke. p527
Term
Will a heat stroke pt have constricted or dilated pupils?
Definition
Dilated. p528
Term
What is the WHO definition of drowning?
Definition
The process of experiencing respiratory impairment from submersion/immersion in liquid. p530
Term
What should you suspect in any drowning or near drowning?
Definition
Spinal Injury. p 531
Term
What is an air embolism?
Definition
A gas bubble in the blood stream. p535
Term
What is the medical name for an air embolism?
Definition
Arterial gas embolism. p534
Term
What is decompression sickness?
Definition
Nitrogen gas is trapped in the body tissue and then in the bloodstream. p534
Term
What is DAN and what type of accidents will they assist with.
Definition
Diver Alert Network. They assist in underwater accidents.
Term
What is a hyperbaric chamber?
Definition
A pressurized chamber used for diving emergencies.
Term
What are the 4 options in order for a water rescue?
Definition
Reach, throw/tow, row, go. p536
Term
What is the difference between a poison, toxin, and venom?
Definition
A venom is a subclass of toxin. A toxin is a subclass of a poison. Venoms are a toxin produced by spiders, snakes and some marine forms of life. Toxins are poisons that are substances that are produced by organic means (animals or plants).
Term
What is the purpose for the constricting bands above and below a snake bite?
Definition
It restricts the flow of lymph but not the flow of blood.
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