Strep Pharyngitis Flashcards
Most cases of pharyngitis are :
30-60 percent of pharyngitis are:
Bacteria makes up 5% of pharyngitis cases what is the MCC:
most cases: idiopathic
30-60 percent are: viral
MCC: Group A beta hemolytic streptococci
Group A beta hemolytic streptococcus is also known as?
Gram stain:
streptococcus pyogenes
gram (-)
what are the outcomes of streptococcus pyogenes?
Scarlett Fever, Impetigo, Rheumatic Fever, Acute GN
buzz words for Scarlett fever
blanching sandpaper rash, strawberry tongue
what is impetigo
honey crusted lesions
what is rheumatic fever
2 weeks post strep throat you get a fever, joint inflammation, and carditis with a rash consistent with erythema marginatum
Type 2 hypersensitivity
what is acute glomerulonephritis
when immune complexes bind to the glomeruli and cause pulmonary edema and HTN
smoky urine (Type 3 HS rxn)
usual strep pharyngitis symptoms
fever over 101.3
sore throat, fevers, chills, myalgia, headaches
throat appearance of strep throat
petechiae, tonsillar erythema and exudate, cervical lymphadenopathy
gold standard for diagnosis strep throat
throat culture
what can be preformed in the office with result available in 5 minutes that has high specificity (95%) and low sensitivity (76%) for strep throat
rapid antigen test/strep test
what clinical design making tool can you use to determine if someone has strep throat
modified center criteria
A FACT
age (3-14) add a point
age greater than 45 subtract a point
fever greater than 100.4
absence of cough
cervical lymphadenopathy
tonsillar exudate
modified center score
0-1:
2-3:
4-5:
0-1: no additional testing/treatment
2-3: preform throat culture of rapid antigen test
4-5: empiric treatment
first line treatment for strep throat:
second line treatment for strep throat:
first: penicilin (penicilin G is IV)
second: azithromycin
