GROUP 4CASE #1
CHRIS MOORE, FAITH LEMMONS & KAYLA KARIMI
MARTHA
• 28 years old, female
• Began Amoxic illin/Clavulanate
for a Urinary Tract Infection
• 1 hour after dose, she began to
have an allergic reaction
S OAP
• A penic illi n allergy is noted in
her chart – the reaction was a
rash.
SYMPTOMS TIMELINE
1 hour
TOOK
AUGMENTIN
To t reat U ri n ary Tract
I n fecti on
SOAP
4 hours
SIGNS OF
ALLERGIC
REACTION
Faci al s welli n g an d
breat hing problems
ARRIVED AT
ER
WORSENING
SYMPTOMS
P aramed ics
administrator
ep i n ephrine en rou te
S evere faci al s welli n g
an d b reat h ing p rob lems
as s oci at ed wi t h li p s an d
t on gu e s welli n g
OBJECTIVES
01
DET ER MINE T H E CAUSE O F MAR T H A’S ANAP H Y LACT IC
EP ISO DE
02
UNDER ST AND T Y P E 1 H Y P ER SENSIT IVITY
R EACT IO NS
03
P R O VIDE MAR T H A WIT H T H E AP P R O P RIATE
INFO R MATION & R ESO UR CES T O T AKE ACT IO N
IF AN EVENT LIKE T H IS WER E T O H AP P EN AGAIN
ASSESSMENT
DIAGNOSIS
IMMUNOLOGIC REACTION
IMMUNE RESPONSE
SO A P
TYPE 1 HYPERSENSITIVITY
Excess production of the
IgE antibody. Reactions
between allergens & IgE
bound to mast cells &
basophils lead to a
heightened
inflammatory response.
TYPE 1 HYPERSENSITIVITY
Immediate-Phase:
• Occur within the humoral branch immunity
• Mediated by antibody or antigen complexes
• After contact with antigen – 5 to 30 minutes
Late-Phase:
Caused by the formation of T Helper cells
Cell-mediated branch of immunity
2 to 24 hours
AUGMENTIN
amoxicillin/clavulanate
Oral anti bacteri al
combination cons is ting
of the s emis ynthetic
antibiotic amoxicillin
and the β – l actamas e
inhibitor
MOA
Beta-lactam inhibitors bind to B-lactamase
enzyme & inactivates them By opening B-lactam ring
CHEMICAL SIMILARITY
Penicillin
• Crossover
Augmentin
EPINEPHRINE
Paramedi c Epi dos i ng:
Adul ts = 0.30 mg of
1:1,000
MOA
PATHWAY
PLAN
SOA P
TREATMENT
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EPINEPHRINE
ANTIHISTAMINE
CORTICOSTEROID
ELISA:
measures IgE levels
ALTERNAIVES
• W hi c h drug clas s to take f or
b e t t e r re s ults
• B road-s pectrum antibiotics are
of t e n us e d as an alte rnativ e t o
pe nicillin
• C e f azolin (1 s t G e ne ration
C e phalosporin)
COUNCELING
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condimentum. Proin odio
odio.
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condimentum. Proin odio
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AVOID PENICILLIN &
B-LACTAM ANTIBIOTICS
SKIN TESTING
CARRY EPI PEN
OUR TEAM
Everest
Cantu
Drew
Holloway
Remy
Marsh
Ceo Of Ingoude
Company
Ceo Of Ingoude
Company
Ceo Of Ingoude
Company
QUESTIONS
QUESTION 1
WHICH IMMUNOLOGICAL MECHANISM IS PRIMARILY
RESPONSIBLE FOR THE SYMPTOMS OBSERVED IN
TYPE I HYPERSENSITIVITY REACTIONS LIKE
MARTHA’S?
A) T -cell mediated cytotoxicity
B) Activation of the complement sy stem
C) IgE -mediated mast cell degr anulation
D) Formation of immune complexes
QUESTION 1
ANSWER
C) IgE -mediated mast cell degranulation
QUESTION 2
IN MANAGING ANAPHYLACTIC REACTIONS, WHY
IS EPINEPHRINE THE FIRST -LINE TREATMENT
INSTEAD OF ANTIHISTAMINES OR
CORTICOSTEROIDS?
A) It directly inhibits the production og IgE antibodies
B) It provides immediate relief to bronchoconstriction
and vasodilation
C) It has a longer lasting effect than other medications
D) It specifically targets and neutralizes allergens
QUESTION 2
ANSWER
B) I t pr ovides immediate r elief to
bronchoconstriction and v asodilation
QUESTION 3
WHICH FACTOR PRIMARILY CONTRIBUTES TO
THE RISK OF CROSS -REACTIVITY BETWEEN
PENICILLINS AND CEPHALOSPORINS?
A) Similarity in their antibacterial spectrum
B) The presence of a beta -lactam ring in both classes
of antibiotics
C) Identical routes of metabolism and excretion in the
body
D) Both are derived from the same microbial species
QUESTION 3
ANSWER
B) The presence of a beta – lactam ring in
both c lasses of antibiotics
QUESTION 4
CONSIDERING MARTHA’S SEVERE ALLERGIC
REACTION, WHICH OF THE FOLLOWING WOULD
BE A KEY CONSIDERATION FOR FUTURE
ANTIBIOTIC THERAPY?
A) Preference for antibiotics with similar mechanisms of
action to ensure effectiveness
B) Use of broad -spectrum antibiotics to prevent resistance
C) Selection of antibiotics not structurally related to
penicillins to avoid cross -reactivity
D) Administration of antibiotics in a controlled hospital
environment
QUESTION 4
ANSWER
C) Selection of antibiotics not structurally related to
penicillins to avoid cross -reactivity
REFERENCES
Modified from: Naranjo CA et al. A method for estimating the probability of adverse drug reactions. Cli
n Pharmacol Ther 1981; 30: 239245.
PHARMACOLOGICAL
Alternative medications
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PROJECT 1
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PROJECT 2
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PROJECT 3
How epi works – pros & cons
Pharmacological – class differences
Penicillin desensitization
Skin Testing logistics
Counseling
Score
Q4 explanation
References
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