Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BRS Year 2 > skin infections and infestations basics > Flashcards

skin infections and infestations basics Flashcards

1
Q

things caused by staphylococcus aureus

A 
impetigo
folliculitis
cellulitis
ecthyma
staohylococcal scalded skin syndrome
superinfections of other skin diseases e.g leg ulcers, atopic eczema
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

conditions caused by streptococcus pyogenes

A 
impetigo
cellulitis
ecthyma
eysipelas
scarlet fever
necrotising fasciitis
superinfects other skin diseases e.g leg ulcers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

PVL toxin - panton valentine leukocidin

A

s.aureus toxin
pore forming, painful, multi site, recurrent and present in contact
painful
necrotising fasciitis, pneumonia, purpura fulminans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

preventing PVL infection

A 
close contact
contaminated items
crowding
cleanliness
cuts
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

treatment of PVL infection

A

antibiotics
nasal ointment
chlorhexidine
treat any contacts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is folliculitis

A

follicular erythema, can be pustular
infections of non infectious (HIV)

treated by antibiotics - erythormicin
incision and drainage for furunculosis (large)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is pseudomonal folliculitis (hot tub)

A

pseudomonas aeruginosa
associated w moisture, 1-3 days post exposure to hottub etc
self limiting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

furuncle vs carbuncle

A

furuncle - deep abcess of one follicle

carbuncle - deep abscess of several adjacent follicles (can cause cellulitis or septicaemia)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is cellulitis

A 
infection of lower dermis/subcut
tender swelling will ill defined blanching erythema/odemea
usually strep pyogenes of s.aureus
odema predisposes
treated by systemic antibiotics
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is impetigo

A

superficial bac infection, honey coloured crust
staphylococcus
face
topical and systemic antibiotics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is impetiginisation

A

infection of atopic eczema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is ecthyma

A

severe impetigo
punch out ulceration

usually lower extrems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is erysipelas

A

raised red plaque, sharp demarcation and painful
infection of deep dermis and subcut
face or limb

history of fever, malaise, headache
treatment IV antibiotics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

corynebacterium causes

A

erythasma - in places that rub e.g armpits

pitted keratinolysis - on sole of foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

scalded skin syndrome

A

neonates, immunocompromised
erythema - blisters (bullae) - wrinkle and exfoliate
staphylococcus aureus
infection at distant site - not cultured from peeling skin
resembles TEN/SJS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is toxic shock syndrome

A

group A s.aureus

fever, hypotension, diffuse erythema, involvement of systems, mucus membranes and haem

17
Q

what is necrotising fasciitis

A 
initial dusky (blue) induration (hard) followed by rapid necrosis
potentially fatal
synergistic - strep,staph etc
mri aids diagnosis
treat with broadspectrum IV antibiotics
18
Q

what is anthrax

A

painless necrotic ulcer + oedema + lymphadenopathy

from contact with hide, bone, wool

19
Q

what is lyme disease

A

target shaped (annular erythema)
infected tick bite
carditis and arthritis and neuroborriolis

20
Q

what is tularaemia

A

infected bite, painful ulcer

ucleroglandular - papule and ulcer on top of each other

21
Q

herpes simplex virus dermatology

A

oral, genital, whitlow, eczema herpeticum
swab and PCR
treat w oral acyclovir, IV if high risk or severe

22
Q

what is oral HSV

A

primary and recurrent vesicular eruptions
transmission can occur asymptomatically
HSV-1 oral
HSV-2 genital

23
Q

how does HSV travel within person

A

replicates at site of infection

travels via dorsal root ganglia

24
Q

what is herpetic whitlow

A

HSV 1 on digits
pain swelling and vesicles

misdiagnosed as paronchyma/dactylitis

25
Q

what is eczema herpeticum

A

monomorphic punched out erosions/excoriated vesicles

medical emergency

26
Q

varicella zoster virus

A

chickenpox
shingles - reactivation

itchy, small, can scab

highly contagious

27
Q

hand foot and mouth disease

A

coxsakie

28
Q

measles

A

spreads from trunk to extremities

small papules

29
Q

what are warts

A

herpes
self limiting
but careful in immunocompromised

30
Q

what is ORF

A

parapoxvirus
exposure to sheep/goats
goes away on its own

31
Q

what is molluscum contagiosum

A

poxvirus
children n immunocompromised
resolve spontaneously

32
Q

notable fungal infections

A

candidiasis - candida albicans - warm moist areas (diabetes M)
aspergillosis - lungs aspergilous

33
Q

what is scabies

A

sarcoptes
white burrows by female
then hatch eggs under skin

34
Q

lice

A

hair
body
clothes

35
Q

bedbugs

A

itchy weals, alone at night, painless

need fumigation

BRS Year 2 (67 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions