Viral Infections Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Cause of slapped cheek syndrome

A

Parvovirus B-19

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

Treatment of ophthalmic zoster

A

acyclovir - drops or tablets - may prefer tablets as less epithelial toxic

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

Complications of Parvovirus B-19

A

spontaneous abortion, aplastic crisis, chronic anaemia

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

What predicts the severity of chicken pox

A

extremes of age and depressed cell mediated immunity

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

Causes of erythema multiform

A

HSV, drug eruptions, mycoplasma pneumonia bacteria

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

Virus causing chicken pox and shingles

A

varicella zoster

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

What medications should be avoided in chicken pox?

A

ibuprofen (necrotising fasciitis/secondary skin infection), aspirin (reye’s syndrome - leads to liver and brain swelling)

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

Presentation of chicken pox

A

generalised rash and fever, itch

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

What is eczema herpeticum?

A

the spread of herpes simplex virus to an area of eczema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Patients at risk of aplastic crisis

A

thalassaemia, sickle cell, hereditary spherocytosis

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

Sign of ophthalmic zoster

A

Hutchison’s sign - acute red eye + spots on the nose

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

Cause of molluscum contagiosum

A

pox virus

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

Presentation of Parvovirus B-19 in children

A

slapped cheek rash which may also occur on limbs

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

pain lasting longer than 4 weeks after shingles is called…?

A

post-herpetic neuralgia

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

How may the chicken pox vaccine help with shingles?

A

reduces the amount of shingles and associated post-herpetic neuralgia in >70s, routinely given

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

Most common groups to have shingles

A

elderly and immunocompromised

17
Q

Presentation of erythema multiform

A

target lesions with erythema

18
Q

complication of shingles…

A

ophthalmic zonster

19
Q

where does a recurrent herpes simplex virus usually appear?

A

around the vermillion border of the mouth

20
Q

Presentation of Parvovirus B-19 in adults

A

Polyarthritis of the small joints - may occur without the rash

21
Q

how does shingles present?

A

tingling/pain –> erythema –> vesicles in a dermatomal distribution

22
Q

How does acyclovir work to treat varicella zoster and herpes simplex viruses?

A

it is a guanosine analogue which is incorporated into the DNA and thus inhibits replication. It does not eradicate latent virus

23
Q

Presentation of molluscum contagiousum

A

small pink papules with a depressed central punctum

24
Q

What does the herpes simplex virus cause?

A

primary gingivostomatitis - ulceration in and around the mouth

25
Q

Which type of herpes simplex virus does this describe: main cause of oral lesions, 50% of genital warts, encephalitis?

A

Herpes simplex type 1

26
Q

How is molluscum contagiosum treated?

A

it is self-limiting but may take months

27
Q

Where does the varicella zoster virus establish latency?

A

the sensory nerve roots

28
Q

What type of vaccination is the chicken pox vaccine?

A

Live attenuated - not routinely given in UK

29
Q

complications of chicken pox (4)

A

secondary bacterial infection, pneumonitis, scarring, encephalitis

30
Q

What sort of pain is produced by shingles?

A

neuralgia

31
Q

Which type of herpes simplex virus does this describe: rare cause of oral lesions, 50% of genital warts, encephalitis/disseminated infection?

A

Herpes simplex type 2

32
Q

Presentation of Ramsay Hunt Syndrome - Type 2?

A

pain in the ear, loss of taste from front of the tongue, facial muscle palsy, dry eyes and mouth, vesicular rash (ear canal, tongue, hard palate), may also affect CN VIII (tinnitus, deafness, vertigo)

33
Q

What is Ramsay Hunt Syndrome - Type 2?

A

herpes zoster otis - (varicella zoster reactivated in the geniculate ganglion of CN VII)

34
Q

HPV causing genital warts

A

6 and 11

35
Q

HPV causing cervical cancer

A

16 and 18

36
Q

Common virus causing warts?

A

HPV