Skin infections and infestations Flashcards

1
Q

How is HSV spread?

A

direct contact

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2
Q

How can latent HSV be reactivated?

A

sunlight, menstruation, stress, fever, trauma

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3
Q

Clue to HSV diagnosis

A

come back to same place again and again

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4
Q

Can you have shingles without first having chicken pox?

A

no

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5
Q

What is herpes zoster virus?

A

chicken pox/shingles

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6
Q

Why can shingles be difficult to diagnose?

A

first present as pain and fever

rash comes 4 days later

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7
Q

How is HZV arranged?

A

dermatological regions - not cross midline

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8
Q

Long lasting potential effects of shingles

A

neuralgia and scarring

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9
Q

Important thing to remember with herpes ophthalmicus

A

refer to ophthalmology

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10
Q

Treatment of HSV and HZV?

A

acyclovir

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11
Q

2 main causative agents of bacterial skin infection?

A

staph aureus

streptococcus

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12
Q

Impetigo - how does it look?

A

crusty, golden, sore, honeycomb

HIGHLY CONTAGIOUS

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13
Q

Clue to impetigo in sweatier region

A

gold colour

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14
Q

What is a furuncle?

A

boil

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15
Q

Important thing to remember with furuncle (possible related disease)

A

diabetes - glycosuria

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16
Q

Treatment of furuncle

A

drain pus

antibiotics

17
Q

What is ecthyma?

A

crusted sores beneath which an ulcer lies

18
Q

How does ecthyma look?

A

crust in middle and ring of erythema

19
Q

Cellulitis presentation

A

red, hot, swollen, painful leg
may be ulcerated/necrosis
lower limb
if extensive can have fever and rigors

20
Q

What should we check between the toes for in cellulitis?

A

athletes foot

21
Q

Where is candida albicans mostly found?

A

moist areas eg breast

hands eg hairdresser

22
Q

Appearance of candida albicans

A

brick red erythema with satellite yellow pustules

23
Q

Tinea pedis

A

athletes foot

common, 4th and 5th toes, white macerated skin

24
Q

Tinea corporis other name

25
appearance and investigation of tinea corporis
flaky red rings and scaly around edge | scraping to microbiology
26
Tinea cruris
fungal infection of groin in inguinal creases
27
Tinea barbae - where is it found?
moustache and beard
28
How is scabies caught?
direct contact for a long time with mite transfer
29
Signs of scabies
burrows - hands, palms, scrotum | papules and vesicles, pustules
30
What animals is scabies caught from?
humans ONLY
31
Treatment of scabies
treat patient and family/contacts permethrin topical steroids
32
symptos of scabies
itching and nasty rash