Organisms that cause different infections Flashcards

1
Q

What organisms cause meningitis?

A

Pneumococcus

Meningococcus

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2
Q

What organisms might cause meningitis if you’re over 60yrs?

A

Listeria

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3
Q

What organism causes encephalitis?

A

Herpes simplex

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4
Q

What organisms cause epiglottitis?

A

H. influenzae

Streptococci

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5
Q

What organism cause tonsillitis?

A

Group A strep

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6
Q

What organism causes sinusitis?

A

Pneumococcus

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7
Q

What organisms cause acute otitis media?

A

Pneumococcus

H. influenzae

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8
Q

What organisms cause mild/moderate CAP?

A

Pneumococcus

H. influenzae

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9
Q

What organisms cause severe CAP?

A

Pneumococcus
H. influenzae

Atypicals (legionella, mycoplasma, chlamydia pneumoniae, coxiella)

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10
Q

What bug can cause pneumonia post-influenza and is more common in children and young adults?

A

Staph aureus

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11
Q

What organisms cause an acute exacerbation of COPD?

A

Pneumococcus

H. influenzae

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12
Q

What organisms cause hospital acquired pneumonia?

A

Pneumococcus
H. influenzae
Coliforms
(possibly legionella)

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13
Q

What organisms cause native valve endocarditis (acute)?

A

Staph aureus

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14
Q

What organisms cause native valve endocarditis (subacute)?

A

Viridans streptococci

Enterococci

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15
Q

What organisms cause prosthetic valve endocarditis?

A

MRSA

Coagulase negative staphylococci

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16
Q

What organisms cause peritonitis/biliary tract sepsis/intrabdominal infections?

A

Polymicrobial coliforms
Anaerobes
Enterococci

17
Q

What organisms cause sponatenous bacterial peritonitis?

A

Coliforms
Anaerobes
Sometimes strep. pneumonia

18
Q

E.coli 0157 and campylobacter can cause intra-abdominal infection.

True or false?

A

True

19
Q

What organisms cause uncomplicated UTIs?

A

Coliforms

Enterococci

20
Q

What organisms cause complicated infections e.g. pyelonephritis, urosepsis?

A

Coliforms
Pseudomonas aeruginosa
Enterococci

21
Q

Name some coliforms that cause UTIs

A

E.coli

Klebsiella

22
Q

Name an enterococcus that causes UTIs

A

Enterococcus faecalis

23
Q

What organisms cause cellulitis?

A

Staph aureus

Group A and other beta-haemolytic streptococci

24
Q

What organism causes acute diabetic foot?

A

Staph aureus

25
Q

What organisms can cause acute on chronic diabetic foot?

A

Staph aureus
Coliforms
Anaerobes

26
Q

What organism causes septic arthritis/osteomyelitis?

A

Staph aureus

27
Q

What 5 organisms cause UTIs?

A
E.coli
Klebsiella
Proteus
S. Saprophyticus
Enterococcus faecalis