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Flashcards in Microbiology Deck (45)
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1

Name 4 important intrauterine infections

rubella
parvovirus b19
VZV
CMV

(herpes HIV HEPb)

2

what causes rubella

RNA virus with respiratory spread. togaviridae family

3

name 5 routes of CMV transmission

Saliva, blood, sexual, intrauterine, perinatal eg breastfeeding

4

Main problem assocaited with intrauterine CMV infection

Accounts for 20% of sensory- neural hearing loss

5

What viruses would you be suspecting in a child scan of foetal microcephaly

CMV and rubella, zika?

6

What is the treatment for a pregnant woman with chicken pox

aciyclovir

7

What mosquito transmits malaria

anopheles

8

what mosquito transmits dengue

aedes

9

How would HIV present in a returning traveller

pharyngitis, like mononucleosisby EBV or CMV

10

How does rickettsial disease present?

Fever, myalgia and headache and vasculitis as it invades the endothelial cells and may have an eschar from the bite

11

what organism causes rickettsial disease

tics, lice mites, scrub typhus causes chiggers

12

how do you treat rickettsia

doxy

13

how do you diagnose cysticercosis

see brain abcess with a fluid level, often walled off by bone. commonest cause of adult onset epilepsy.

14

how do you treat cysticercosis

cestocidal drugs and steroids (e.g praziquantel)

15

what is the largest risk factor for TB

HIV but most tb attributable to malnutrition

16

What causes african sleeping sickness

trypanasoma brucei (rhodesiense (east) and gambiense (west))

east - more severe and results in death
west indolent present late with psych conditions - posterior lymphadenopathy

present with chancre

17

how is trypanosoma transmitted

tsetse fly

18

how is leishmaniasis transmitted

sand flies

19

what causes american 'sleeping sickness'

chagas disease or trypanosoma cruzi

20

what organism causes thread worm

enterobius vermicularis
treatment = mebendazole

21

ascending lymphangitis

sporotrichosis

22

what causes sporotrichosis

sporothrix schenckii

23

what 2 infections can be diagnosed with a urinary antigen test in CAP

legionella and strep. pneumoniae

24

boat shaped organism

pneumocystis jirovici

25

cold aglutinin test

mycoplasma pneumonia

atypical but common.
At risk of SJS(10% skin coverage or toxic epidermal necrolysis when over 30%) and AIHI
erythema multiforme
myalgia common

26

Causes of erythema multiforme

Target lesions

HSV
Mycomplasma
Malignancy
others

27

Causes of TEN/SJS

PCPC CANALSS

Phenytoin
carbamazepine
Peniciliin
cephalosporins
ciprofloxacin
Allopurinol
NSAIDS
ART
Lamotrigine
Sulphonamides
Sertraline

28

what is herpangina

small vesicles in the roof of the mouth typically seen in hand foot and mouth - cocksackie A

29

what is exanthem subitum

roseola infantum - hhv6

30

causes of acute necrotising encephalitis

viruses and herpes in questions?