Reaction Flashcards
primary mediator of type 1 hypersensitivity reaction is
immunoglobin E (IgE)
allergy type 1
hypersensitivity to exogenous antigens
most common allergies
pollen, mold, fungi, foods, animals, dust, and almost anything we encounter in our environment
atopic-genetic predisposed
allergy S/S
watery, runny eyes
runny nose
sneezing
nasal congestion
an itchy rash or hives
anaphylaxis
immediate type 1 hypersensitivity
rapid release of IgE- mediated chemicals
induces severe, life threatening reaction
food, drugs, and insect bites
anaphylaxis S/S
lungs
trouble breathing, noisy breathing
coughing, wheezing
sneezing
congestion
tightness in lungs
hoarseness
anaphylaxis S/S
skin
pale or flushed skin
hives or welts
itchy skin
sweating
anaphylaxis S/S
heart and blood vessels
chest pain
low BP
weak, rapid pulse
dizziness, fainting
anaphylaxis S/S
mouth
swelling of throat, face, lips, or tongue
anaphylaxis S/S
stomach and digestion
abdominal pain
n/v
diarrhea
anaphylaxis S/S
neurologic
headache
dizziness
paresthesia
feeling of impending doom
IgE
reactions are mediated by antigen-specific IgE and the products of tissue mast cells
treatment
first line- epinephrine
Benadryl
EPI pen
dosage: 0.3 mg IM - one time use (do not need to memorize dose for test)
light sensitive, keep in storage tube
administer in thigh
expensive
epinephrine action
adrenergic response
first line of action over Benadryl
epinephrine route
SQ
onset: 5-10 mins
peak: 20 mins
duration: 1-4 hours
