Childhood infections Flashcards

1
Q

Which bacterial infection occurs after VZV infection?

A

invasive group A strep

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2
Q

meningitis bacteria

A

gram negative diploccocci

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3
Q

which is the most common meningitis

A

Men B

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4
Q

What is normal opening pressure of CSF

A

5-20cmH2O

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5
Q

What is the normal CSF:Serum glucose

A

0.6

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6
Q
CSF 
Increased opening pressure
Bacteria 30
High protein (1)
Low glucose 
Increased Neutrophils
Is indicative of what
A

Bacterial meningitis

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7
Q
CSF
Increased opening pressure
High/normal protein (1)
Normal glucose 
Increased Leukocytes
A

Viral meningitis

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8
Q

CSF
Increased opening
Very high protein (1-5)
Low glucose

A

TB meningitis

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9
Q

Strep Pneumonia is what kind of bacteria

A

gram positive diplococcus alpha haemolytic

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10
Q

How many capsular serotypes of strep pneumonia are there

A

23

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11
Q

H. influenza is what kind of bacteria

A

gram negative rod

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12
Q

What agar does H influenza grow on

A

chocolate agar - blood agar

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13
Q

GBS meningitis occurs most commonly at what age

A

under 3 months

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14
Q

E.coli and listeria meningitis occur at which age

A

under 3 months

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15
Q

When does HiB cause meningitis, what age range

A

3months to 5 years

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16
Q

What are the most common organisms causing meningitis in children over 6 years old

A

N Meningiditis

S Pneumonia

17
Q

What is the most common cause of death in neonates

A

prematurity and respiratory illness and diarrhoea illness

18
Q

A 6 year old presents with fever, headache, dry cough for 5 weeks

A

Mycoplasma pneumonia

19
Q

What extrapulmonary feature is pathognomic of mycoplasma pneumoniae

A

bullus myringitis - blisters on ear drums, and otitis media

20
Q

Which haematological feature is suggestive of extrapulmonary mycoplasma pneumonia

A

Cold agglutinins

IgM antibodies to I antigen on erythrocytes

21
Q

UTIs are defined by what finding

A

> 10^5 cfu/ml

pyuria (pus cells on Urine MC&S)