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Infection - E.coli And Influenza > Streptococci > Flashcards

Streptococci Flashcards

1
Q

What is seen on a gram stain for strep

A

Purple cocci

Streptococci

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2
Q

Classification of haemolysis

A

Alpha haemolysis - streptococcus pneumoniae
Beta haemolysis - streptococcus pyogenes
Non haemolytic gamma - enterococcus faecalis

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3
Q

Some virulence factors of strep pyogenes

A

M protein
Hyaluronic acid capsule
Adhesions

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4
Q

Streptococcal pharyngitis spread

A

Droplets

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5
Q

Streptococcal pharyngitis clinical features

A

Abrupt onset sore throat
Malaise, fever, headache
Lymphoid hyperplasia
Tonsillopharyngeal exudates

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6
Q

Complications of strep pharyngitis

A

Scarlet fever
Suppurative complication - pus
Acute rheumatic fever

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7
Q

Strep pyogenes skin infections

A

Impetigo - superficial
Erysipelas - looks like cellulitis
Cellulitis
Necrotising fasciitis

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8
Q

Streptococcal toxic shock syndrome

A

Deep tissue infection with vascular collapse and organ failure
Health to death in hours

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Infection - E.coli And Influenza (3 decks)

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