Allergic reaction(explain)
-an exaggerated immune resonse to any substance
-Not caused by an outside stimulus
-caused by the body's immune stimulus
releases chemical to combat stimulus
-includes histamines and leukotrienes
Urticaria(explain)
Hives
-consists of small gerealized itching or burning that appear as multiple ,small,raised arease on the skin
Insect stings(signs,sytmpotms,treatment)
Sudden pain
swelling
localized heat
redness in light skinned individuals
itching and possibly a wheal
treatmetn:no specific
attempt to remove stinger by scraping the skin with the edge of a sharp ,stiff object such as a credit card
-do not sue tweezers or
Epinephrine(explain)
-mimics the sympathetic response
-causes the blood vessels to constrict
-reverse vasodilation and hypotension
-increases cardiac contractility and relieves bronchospasm
-rapidly reverses the effects of anaphylaxis
Indications:
-a severe allergic reaction
The signs and symptoms of an allergic reaction are caused by the relsase of:
histamine
adrenalin
epinephrine
glucagon
Histamine
The negative effects associated with anaphylactic shock are the result of:
severe internal fluid loss
inadequate pumping of the heart
vasodialtion and bronchoconstriction
the nervous system's release of adrenalin
Vasodilation and bronchoconstriction
You are called to a local baseball park for a 23 year old man with difficulty breathing.He states that he ate a package of peanuts approximately 30 minutes ago adn denies any allergies or past medical history. Your assessment reveals widespread urticaria,
severe allergic reaction
What is a wheal?
-A riased ,swollen ,well defined are on the skin
-a poison
-small arease of generalized itching or burning that appear as multiple ,small,raised arease on the skin
-an exaggerated immune response to any substance
A raised,swollen ,well defined are on the skin
You are treating a woman who was stung numerous times by hornets. On assessment ,you note taht some of hte stingers are still imbedded in her skin. You should:
-leave the stingers in place
-scrape the stingers from her skin
-pull the stingers out with twe
-scrape the stingers from her skin
A young male is experiencign signs and symptoms of anaphylactic shock after beign stung by a scorpion. His level of consciousness is diminhsed,his breathing is severly labored , you can hear inspiratory stridor ,and his face is cyanotic. The patient has a
Provide ventilatory assistance with a bag mask device
The most reliabe indicator of upper airway swelling during a sever allergic reaction is:
stridor
anxiety
cyanosis
wheezing
Stridor
What is the best tool or method for assessing a patient's perfusion status?
small volume nebulizer
bag-mask device
pulse oximertry
auto-injector
pulse oximertry
The adult epipen system delivers__mg of epinphrine, and the infant child system delivers___mg
.15,.3
.3,.15
.15,.15
.5,.2
.3,.15
When administering epinephrine by auto-injector ,the EMT shoudl hold the injector in place for
5s
10s
20s
30s
10s