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32 Cards in this Set

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tetanic convulsions
uncontrolled contractions of muscles
coagulation necrosis
the process in which an acid while destroying tissue forms an insoluble layer that limits furher damage
liquefaction necrosis
the process in which an alkali dissolves and liquefies tissue
what are the cells most sinsitive to radiation injury
cells that reproduce most quickley like bone marrow, reproductive cells , and intestinal tract cells
radiation types strongest to weakest
Alpha
Beta
Gamma
what are the factors that affect radiation exposure
Duration
Distance
Shielding
Rad
basic unit of absorbed radiation dose
Gray
a unit of absorbed radiation dose equal to 100 rads
radiation dose that is lethal to about 50% of exposed individuals
is approximately 4.5 Gy
signs and symptoms of radiation exposure
nausea and fatigue, vomiting
physical collapse, confusion
1st degree or superficial burns are burns that
only involve the epidermis and are charicterized by reddening skin
2nd degree or partial thickness burns are burns
that the epidermis is burned and the dermis is damaged charicterized by redness and blistering
3rd degree or full thickness burns are
burns that damage all layers of the skin characterized by areas that are white and dry or charred and dark brown
what are the typical systemic complications of a burn inujury
Hypothermia
Hypovolemia
Eschar
Infection
Organ Failure
Describe how Organ Failure is caused by burns
Myoglobin from the muscle clogs the tubules of the kidneys and may cause hypovolemia, which can cause liver failure and the release of cellular potassium in to the blood stream affects the hearts electrical system
what is the parkland formula
it is the amount of fluid a burn patient should have over 24 hours 4ml x patinet kg x BSA burned
Minor burn
1st degree <50 %
2nd degree <10 %
Moderate burn
1st degree >50%
2nd degree 10 - 30%
Critical
2nd degree > 30 %
3rd degree > 10 %
Inhalation injury
Partial or full thickness burns invloving hands, feet joints, face, or genitalia
urns are the second leading cause of death for for who
children under 12
why does dehydration and cooling happen in a burn
because it disrupts the envelope of the body permitting fluid to leak from the capillaries in to the tissue and evaporate
what is considered a minor burn
superficial burn less than 50%
partial thickness less than 15%
full thickness less than 2%
how long should you irrigate an eye when exposed to chemicals
up to 20 min
burns result in the disruption of what found in cell membranes
proteins
what are the phases of the bodys response to a burn
emergent
fluid shift
hypermetabolic
what are some causes of inhalation injury
carbon monoxide
toxic inhalation
supraglottic injury
subglottic injury
what percentage of burn patients who die have associated airway burn injur
60 %
What is preferred for fluid resecitation for burn patients
normal saline
In the us how many people are hit by lightning
300
which chemical agent reacts vigorously with water
sodium
What helps limit the deptsh of acid burns
the process of coagulation necrosis which forms a insoluble layer that limits further damage
why are alkali burns so serious
because they start a process called liquefaction necrosis causeing progressively deeper burns