viral infections Flashcards
(42 cards)
which Herpes simplex is predominantly oral and which is predominantly genital?
HSV 1 oral
HSV 2 genital
how is HSV transmitted?
direct contact
what ganglion will the HSV 1 go to be latent?
trigeminal ganglion
True or false?
HSV is neurotropic (meaning nerve loving)
true.
in oral leisions HSV 1 goes to trigeminal ganglion to be latent
what is another name for primary herpes?
Herpetic Gingivostomatitis
most people acquire their first incidence of primary herpes by what age?
at 5 years old
shallow ulcerations with SERPENTINE borders
herpetic Ginivostomatis (primary herpes)
Primary herpes can occur on any mucosal surface?
true or false
true
red erythematous border with a yellowish surface in the middle is another characteristic along with the serpentine border for what
primary herpes (herpetic gingivostomatitis
when can you see intact vesicles in patients with herpes?
first 24-48hrs. vesicles rupture after this
what is the lay term for herpes labialis?
fever blister
are the blisters in herpetic gingivostomatitis painful?
yes
what is the differential diagnosis for primary herpes?
trench mouth (ANUG) which has punched out papillae where as primary herpes doesn’t and instead have ulceratoins with serpentine borders
whats the best way to test primary herpes?
exfoliative cytology
infected cells show mutinucleation and balooning degeneration of nuclei which is called viral cytopathic effect
and these cells are called Tzanck cells
what virus show this in biopsy?
primary herpes
what is the med for primary herpes?
acyclovir or valacylovir
when does the antiviral treatment work best for primary herpes?
if you catch the leision within the first 2-3 cays
what is the symptomatic care for primary herpes?
popsicles can be soothing for pediatric patients.
topical anesthetics so patient can eat and drink - important to avoid dehydration
what are the two forms of recurrent herpes?
recurrent herpes labialis
recurrent intraoral herpes
whats another name for hepres labialis?
cold sore fever blister
what the following clinical symptoms manifestation of?
prodromal itching, tingling, burning, erythema
triggered by UV light exposure or trauma
recurrent herpes labialis
history of having cold sores right at the commissure,
recurrent herpes labialis
what is the differential diagnosis with recurrrent herpes labialis?
impetigo.
while recurrent herpes labialis lesions recur many times, impetigo only occurs once.
is it same medication for primary herpes and recurrent herpes labialis?
yes. valacyclovir has the best results