Streptococcus Pygones Flashcards
Pie bakers means
Gram- positive
Purple stripes means
Gram positive
“Hot Apple” pie + glass capsule means
It produces a hyaluronic acid capsule
Hyaluronic acid capsule is a
Critical virulence factor that helps it evade host immune defenses
Beta light bulb means
Does beta-hemolysis
What is the resulte of beta-hemolysis
Clear, transparent zones around colonies on blood agar
Flaky pie crust means it
Can manifest as impetigo
What is impetigo
Superficial skin conditions that presents with lesions around the nose and mouth
Red neckerchief on pie chef means
It a significant cause of pharyngitis
What is the other name of pharyngitis
Strep throat
Red puffy gloves means
It is one of the most common causes of skin infections
Chef licking strawberry means
It causes scarlet fever
Scarlet fever is caused by
Pyrogenic exotoxin-producing streptococcus
What other illness is caused by exotoxin-producing streptococcus
Pharyngitis
Where does the sandpaper rash not go to
Palms and soles
Superhero cape + bolt means
The exotoxins by s.p are superantigens
What are superantigens associated with
TSS
“B” + necrotic tissue means
Some strains produce SpeB
What is SpeB
A cysteine protease that contributes to the rapid tissue destruction
“M” on the hat means
M protein
M protein is a…
Virulence factor expressed on s.p and plays a role in its pathogenesis
Man being inhibited from eating means
Resistance to phagocytosis
M protein does what…
Confers resistance to phagocytosis
Mitre hat means
It shares what with what
What disease is common
M protein is on the surface
Shares structural similarities with human proteins
Rheumatic heart disease
Red neckerchief on master chef means
Rheumatic fever is a complication of untreated pharyngitis
“ jones” cupcakes means
It’s a criteria for diagnosing acute rheumatic fever
J= O= N= E= S=
J= joints O= myocarditis N= nodules E= erythema S= Sydenham Chorea
“ J” + elbow frosting means
Fever presents with migratory polyarthritis
Acute rheumatic fever can result in
Pancarditis
What may form in acute rheumatic fever
Subcutaneous nodules
What can erythema marginatum manifest as
Non-itchy ,ring-shaped rash mainly on the trunks and limbs
What is Sydenham chorea
Sudden, involuntary and purposeless movements mainly affecting face hands and feet
Glomerular knot means
PSGN arises from immune complex deposition in the glomeruli
Cola drink means
Acute PSGN may present with gross he artúrica
What is a gross hematuria
Rust-colored urine
What is a early treatment
Purple pencil
Penicillin
What functions as a hemolytic toxin
Streptolysin O
Streptolysin O enables…
Batería to lyse and damage red blood cells and immune cells
Streptokinase is a virulence factor that
Facilitates fibrin degradation by converting plasminogen to plasmin causing invasion of deeper tissue
DNases facilitate
Degradation of host DNA
