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Pathology > Strep Packet > Flashcards

Strep Packet Flashcards

1
Q

How does Strep show up?

A

Spreading suppurative skin infections and post strep hypersensitivity disease

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2
Q

What types of post strep hypersensitivity diseases show up?

A

Rheumatic fever and immune complex glomerulonephritis

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3
Q

What makes up Group A strep?

A

GABHS, beta hemolytic, S. pyogenes , pharyngitis, and post strep disease

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4
Q

What makes up group B strep?

A

Perinatal sepsis and UTIs

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5
Q

What makes up Strep viridians?

A

Grouped as alpha hemolytic and major cause of bacterial endocarditis

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6
Q

What is a major cause of dental carries

A

Strep mutans

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7
Q

Which virulence factor prevents phagocytosis of strep?

A

Cell wall polysaccharides/capsules

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8
Q

Which virulence factor allows for the ability to spread through tissues?

A

Enzymes streptokinase and streptolysin O

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9
Q

What causes the skin rashes in Strep?

A

Erythrogenic toxins

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10
Q

What does Group A strep infection look like?

A

Acute pharyngitis/upper respiratory infection with redness, edema, and pain and accesses by tonsils

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11
Q

What can Group A strep turn into if not treated?

A

Scarlet fever

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12
Q

How long after strep infection until post strep glomerulonephritis

A

1-2 weeks

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13
Q

When does rheumatic fever present after strep infection?

A

Weeks to months

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14
Q

What causes the problems in rheumatic fever?

A

Autoimmune reaction that cross reacts with M antigens

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15
Q

Is bacteria present in rheumatic fever?

A

No

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16
Q

What titers can be used to measure severity of rheumatic fever?

A

Streptolysin O

17
Q

Way to tell difference between step and staph skin infections?

A

Strep more spread out than staph

18
Q

Is strep impetigo contagious?

A

Yes

19
Q

Where is necrotizing fasciitis?

A

Subcutaneous infection overtaken by anaerobes

20
Q

What strain of strep is subacute bacterial endocarditis associated with?

A

Viridans

21
Q

In which group would puerperal sepsis be classified?

A

Group B

22
Q

What test do you do for Strep throat?

A

Rapid strep test

23
Q

What does the rapid strep test look for?

A

Group A streptococcal carbohydrate antigen

24
Q

What test is used to diagnose rheumatic fever?

A

Anti-streptolysib O antibody titers

25
Q

Where is rash in scarlet fever?

A

Trunk

26
Q

Biggest clue for scarlet fever?

A

Strawberry tongue

27
Q

Which strep groups evoke erysipelas?

A

A and C

28
Q

What is Fournier’s gangrene?

A

Scrotal/perineal form of necrotizing fasciitis

29
Q

Which heart valves are damaged by chronic rheumatic heart disease

A

Mitral and aortic

30
Q

Impetigo can lead to what?

A

Post-Strep glomerulonephritis

31
Q

What is Paronychia?

A

Staph infection that causes abscesses of the palmar surfaces of finger tips

Pathology (18 decks)

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