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REVISION > PAEDS: CAUSATIVE ORGANISMS > Flashcards

PAEDS: CAUSATIVE ORGANISMS Flashcards

1
Q

Causative organism of chickenpox?

A

Varicella zoster virus

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2
Q

Causative organism of whooping cough

A

Bordatella pertussis

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3
Q

Causative organism of scarlet fever

A

Group A streptococci - usually strep pyogenes

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4
Q

Causative organism of hand, foot & mouth disease

A

Intestinal viruses of the picornaviridae family - coxsackie A16 and enterovirus 71

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5
Q

Causative organism of erythema infectiosum/slapped cheek syndrome

A

Parvovirus B19

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6
Q

Causative organism of roseola infantum

A

Human herpes virus 6 (known as exanthem subitum or sixth disease)

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7
Q

Causative organism of croup

A

Parainfluenza viruses

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8
Q

Causative organism of bronchiolitis

A

Respiratory syncytial virus

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9
Q

Causative organism of acute epiglottitis

A

Haemophilus influenza type B

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10
Q

Causative organism of pharyngitis/strep throat

A

Group A beta haemolytic strep - strep pyogenes

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11
Q

Most common causative organism of viral conjunctivitis

A

Adenovirus mostly

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12
Q

Most common Causative organism of otitis media

A

Strep pneumoniae, haemophilus influenza and moraxella catarrhalis

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13
Q

Causative organism of impetigo

A

Staph aureus or strep pyogenes

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14
Q

Causative organism of molluscum contagiosum

A

Molluscum contagiosum virus, a member of the poxviridae family

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15
Q

Causative organism of scabies

A

Sarcoptes scabies

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16
Q

Causative organism of glandular fever

A

EBV (aka human herpes virus 4)

17
Q

Causative organism of threadworms

A

Enterobius vermicularis (pinworms)

18
Q

Causative organism of head lice

A

Pediculus capitis

19
Q

Most common causative organism of viral-induced wheeze

A

Rhinovirus
RSV

20
Q

Most common causative organism of pneumonia

A

Strep pneumoniae

21
Q

Most common Causative organism of UTIs

A

E.coli

(Others: proteus and pseudomonas)

22
Q

Most common Causative organism of early onset and late onset neonatal sepsis

A

Early onset sepsis: GBS (75%) and E.coli
Late onset - coagulate-negative staph e.g. staph (others: epidermidis, pseudomonas eruginosa, klebsiella, enterobacter and fungal)

23
Q

Most common causative organisms of paediatric encephalitis in children and in neonates

A

HSV-1 in children from cold sores
HSV-2 in neonates from genital herpes

24
Q

Common causative organisms of meningitis in 0-3 months?

A

GBS
E.coli
Listeria monocytogenes

25
Q

Most common Causative organism of septic arthritis

A

Staph aureus
(Consider neisseria gonorrhoea in sexually active teenagers)

26
Q

Most common Causative organism of osteomyelitis

A

Staph aureus

27
Q

Causative organism of eczema herpeticum

A

Herpes simplex virus 1 or 2

28
Q

What is the most common cause of erythema multiforme?

A

Herpes simplex virus

29
Q

Causative organism of pityriasis rosea

A

Herpes hominis virus 7

30
Q

Most common causative organism of Tinea capitis? What can cause it that comes from pets?

A

Trichophyton tonsurans
(Microsporum canis can be acquired from cats or dogs)

31
Q

Most common bacterial cause of conjunctivits?

A

Streptococcus pneumoniae, Staphylococcus aureus and Haemophilus influenzae.

32
Q

What can cause ophthalmia neonatorum?

A

Chlamydia trachomatis and neisseria gonorrhoea

33
Q

Common causative organisms of meningitis in 3 months-6 years?

A

Neisseria meningitidis
Strep pneumoniae
H.influenzae

34
Q

Common causative organisms of meningitis in>6 year olds?

A

Neisseria meningiditis
Strep pneumoniae

35
Q

Casualties organism of pityriasis versicolour?

A

Malassezia furfur

36
Q

Most common causative organism of Tinea corporis (ringworm)?

A

Trichophyton rubrum and Trichophyton verrucosum

REVISION (25 decks)

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