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Progress test packs > Infections > Flashcards

Infections Flashcards

1
Q

things caused by H Pylori

A

peptic ulcer (duodenal or gastric)

also linked to gastric ca, lymphoma of malt, atrophic gastrits

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2
Q

erysipelas

A

cellulitis and lymphangitis

STREP PYOG

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3
Q

caused by strep pneumonia

A

pneumonia
meningitis
otitis media

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4
Q

caused by strep pyogenes

A 
impetigo
erysipelas
type 2 nec fasc
cellulitis
tonsillitis
scarlet fever (due to endotoxins)
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5
Q

LRTI in kids ie bronchilitis

A

RSV

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5
Q

common cold

A

rhinovirus

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6
Q

Croup

A

parainfluenza

tx: dexa and pred orally
ned steroids (?adrenaline)
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6
Q

pneumonia

A

strep pneumonia

staph aureus post flu

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7
Q

Epiglottitis

A

HIb

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8
Q

Whooping

A

Bordatella pertussis

Characteristically high wcc

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9
Q

HIV during pregancy

A

maternal antiretroviral (zidovudine)
caeserean
neonatal antiretroviral
bottle feed

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10
Q

post splenectomy

A

risk of pneumococcus, haemoph, meningococc

vaccinations: HIb, meningococc, flu (yearly), pneumococc (5 yearly)

penicillin V - affective vs strep but not haemoph (vaccine important)

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11
Q

chlamydia treat

A

AZITHROMYCIN (1 dose)

or doxycyline (7 days)

partner notification last 6 months (treat then test)
-unless symptomatic man: last 4 weeks

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11
Q

osteomyelitis

A

staph aureus
(if sickel - salmonella)

Ix: MRI

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12
Q

chlamydia comps

A

reactive arthritis
epididymitis
PID
perihepatitis

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13
Q

chickenpox

A

infective 5 days either side of rash

immnocompromised of newbrons

exposed: give varicella zoster Ig
rash: give IV aciclovir

14
Q

nec fasc

A

strep pyogenes
v tender cellulitits, hemorrhagic bullae

debridement

15
Q

diarrhoea in hiv

A

cryptosporidium

supporive treatment

16
Q

infective mononucleosis
glandular fevr
ebv

A

EBV
monospot, FBC and blood film

malaise fever sore throat lymphadenopathy
get a rash if given amoxicillin

treat is supportive

17
Q

c diff

A 
Pseudomembranous colitis
Gram + (spindle or drumstick shaped)
diarrhoea, pain, raised wc
diag: toxin in stool
treat: metronidazole
risk factor: broad spec abx
18
Q

India ink stain

A

Cryptococcus neoformans

  • fungal menigitis or Enceph in aids
19
Q

Streptoccoccus subtypes

A

Gram pos, coagulase neg

Alpha haem (partial)

  • strep pneumonia
  • strep viridans

Beta haem (complete)
A: strep pyog
B,C,D etc

20
Q

Gonorrhoea

A

Gram neg diplococc

20
Q

Tuberculous

A

Lowenstein jensen medium
Ziehl-nielsen stain
Auramine stain
Acid fast bacili

21
Q

Pseudomonas aeriginosa

A

Gram neg motile bacili

MacConkey agar - Non lactose fermenting

22
Q

Bacillus cereus

A

Gram pos bacillus

23
Q

Legionella

A

Gram neg rods

Slow culture
Milky white colonies on charcoal yeast extract

24
Q

Mycoplasma pneumonia

A

No cell wall
Pleomorphic

Atyp pneumonia - headache diarrhoe fatigue
Erythema multiforme, haemolytic anaemia, guillan barre

25
Q

E coli

A

Gram neg rod

Lactose fementing on macconkey agar

HUS

26
Q

Giardia

A

Cysts and trophozites

27
Q

Vibrio cholera

A

Rice water stools

Gram neg motile bacillis

28
Q

Bacillus cereus

A

Gram pos bacilli

28
Q

Campylobacter

A

Gram neg spiral

29
Q

Gram neg rods

A

Salmonella (motile)
Shigella
E coli
Cholera (motile)

Klebsiella
Legionella
Haemoph influ
Pseudomonas (motile, non lact ferm)

H pylori

30
Q

Staph aureus

A

Gram pos coag pos catalase pos

31
Q

Chlamydi

A

Gram neg rod or cocci

32
Q

Gonorr

A

Gram neg diplococc

33
Q

Neisseria menigitidis

A

Gram neg diplococc (like gonorr)

34
Q

Malaria

A

tropics eg India
suspect in fever or flu like illness with visit to malaria areas in past 2 months, esp if concern over antimalarial compliance
different stains (falciparum, vivax etc) with different presentations and incubations
paroxysms of rigors, vomting, sweating

severe: ‘cerebral malaira’ with falciparum - fits, neurology, coma.
can also get diarrhoea, cardiac failure, ARDS, death

test: thin and thick blood films - need three negatives
also see anaemia and thrombocytopenia
treat: supportive, quinine, abx

Progress test packs (16 decks)

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