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83 Cards in this Set

  • Front
  • Back
if looking at a stain and you see intranuclear inclusion bodies, what type of virus are you looking at?
Herpes virus
if you are looking at a stain and you see multinucleated giant cells (synctia) what are you looking at?

***
Herpesvirus
• What are the 2 groups of herpes viruses?
o Neurotropic
o Lymphotropic
• Where do neurotropic herpes virsues reside? Where do they effect?
o They reside in neurons but they affect skin, mucous membranes and NS
• Lymphotropic herpes viruses affect what?
o T cells
• Herpes simplex viruses 1 and 2 are what type of herpes virus?
o Neurotropic
• varicella-zoster virus is what type of herpes virus?
o Neurotropic
• EBV is what type of herpes virus?
o Lymphotropic
• Cytomegalovirus (CMV) is what type of herpes virus?
o Lymphotropic
• HHV8 is what type of herpes virus
o Lymphotropic
• What are 2 hallmarks of herpes virus?
o Lifelong infection
o Latency
HSV-1, 2 and VZV have the ability to _____ and cause recurrent disease
reactivate
is reactivation normally symptomatic or asymptomatic? are they transmissible?
they are often asymptomatic but still transmissible! these lil F'ers are good
expression of CMV and EBV primarily reactivate under what condition?
immuno-suppression
what is responsible for maintaining the latent state of herpes viruses?
Latency-associated RNA transcript,

continually expressed,
influence cellular functions.
slide 5 has a nice chart of all the diseases we need to know
maybe make cards on it?
what is one of the most frequent causes of encephalitis?
HSV 1
what is one of the most frequent causes of meningitis?
HSV 2
which HSV causes conjunctivitis? 1, 2, or both?
HSV 1
which HSV causes genital herpes? 1, 2, or both?
both
primary clinical presentation of herpes simplex virus type 1?
infection of the mouth (Gingivostomatitis)

babies get it from kisses and whatnot
what is Herpes labialis
cold sores”;lips, reactivation of latent virus (due to disease, trauma), recurrent (adolescents/adults).
what is Gingivostomatitis
infection of the mouth seen in HSV 1
what is keratoconjunctivitis? what is it seen in?
pinking of the eye, due to herpes

can be recurrent

can leave scars on the cornea
an infant is brought to you with red spots and patches especially around places of eczema and dermatitis. you see these on the face and especially around the mouth. what do they likely have?
eczema herpeticum
Meningoencephalitis is seen with what?
HSV
a man comes in to your office with what appears to be herpes. You take a sexual history and find nothing remarkable, and there is no history of herpes in the family. You find out your patient is a wrestler, which leads you to the diagnosis of
herpes gladiatorum

spreads from rubbing up on each other and one person having the herp.
what is herpetic whitlow? who is affected
herpes acquired by docs who didnt wear gloves while treating ppl with herpes

see it on the finger

can be seen in babies who suck their thumb
a patient comes to your office with a few lesions on the hands, tongue and buttock. the lesions look like bulls-eyes or targets. what do they have?
erythema multiforme

associated with Herpes
in erythema multiforme is virus found in the lesion?
no, it is strange

they detect viral protein and nucleic acid, but no whole virus
when is HSV1 normally acquired?
childhood
what normally passes HSV1
oral secretion
a patient with HSV asks you if they are infectious when they don't have cold sores or any symptoms...are they?
HELL YEA THEY ARE

steer clear! ahah
what is auto-inoculation of herpes?
it is the fact that it can spread either from mouth to genitals or vice versa
a concerned mother brings in her 14 year old. She is upset because her daughter thinks she is having sex due to the girl now having genital herpes. Is the mom right?
it depends. if she had oral herpes it could have spread via auto-inoculation
can the immune system eliminate herpes simplex virus 1 ?
no! sorrrryyy

it does control symptomotology
what are the 2 common names for varicella-zoster virus
chicken pox

shingles (when reactivated)
where does varicella-zoster virus sit dormant?
in neurons of the spinal cord
how often do you normally experience a reactivation of varicella-zoster virus
once if at all
is chickenpox the primary or reactivated form of varicella-zoster virus
primary

seen in kids
what is zoster (shingles)?
varicella-zoster virus

reactivation of latent virus,
adults.Thoracic or trigeminal. Post-herpetic
neuralgia.
an adult male comes in with painful rashing that starts midline on the stomach and spreads in a line to the back...what does your patient have?
herpes zoster (shingles)
infections of herpes varicella-zoster virus leads to what?
CHICKENPOX NOT SHINGLES
a patient comes to you and says hey doc my kid has chickenpox. Grandma lives at home and I am worried about her getting shingles. is this going to happen?
NO! contact leads to CHICKENPOX not shingles

shingles only occurs due to reactivation of own virus
what are the 2 ways you can contract chickenpox?
Droplet (respiratory) transmission, contact with lesions
infant presents with a high fever for about 2 days. after being watched in the ER to make sure no serious damage has occured the fever subsides and a rash appears. what is going on with the child?
they have HHV 6 (known as Roseola)
HHV7 causes what?
roseola (again the fever for 2 days followed by rash)
what leads to Kaposi's sarcoma?
HHV 8
a patient presents with a spindle cell tumor on the surface of the skin. It is brownish to deep red (noting that it is highly vascularized) what does this person have, and what causes it?
Kaposi's sarcoma

HHV8
for serious herpes, what treatment is given?
inhibit viral DNA polymerase
what is the largest virus (both physically and genetically)
Poxviruses
what is the causative agent of small pox?
variola virus. Only infectious agent
eradicated from world.
vaccinia virus what used for what?
vaccine for smallpox
did smallpox affect other animals or was it human specific
human specific
prior to getting the rash of small pox, what would happen?
patients would have 3 days of flu like symptoms where they were HIGHLY contagious
what is Molluscum Contagiosum
poxvirus skin infections

bump filled with cheesey material

can be contracted sexually (seen in teenagers)
what is Orf?
sheep virus

see lesions

poxvirus skin infection
what are
Milker’s nodules
paravaccinia virus

seen in farmers who milk the cows themselves

see lesions due to poxvirus
a teenage male presents in your office with a large bump on the skin. He claims that he tried to "pop it like a zit" and a white cheesey material came out. upon questioning you find out the teen is sexually active. What is your diagnosis?
Molluscum Contagiosum
HSV 1

Target Cell Type
Mucoepithelia
HSV 2

Target Cell Type
Mucoepithelia
Varicella Zoster virus (VSV)


Target Cell Type
Mucoepithelia
Epstein-Barr Virus (EBV)


Target Cell Type
B lymphocyte, epithelia
Cytomegalovirus (CMV)


Target Cell Type
Epithelia, monocytes, lymphocytes
Human herpes virus -6 (HHV-6

Target Cell Type
T lymphocytes and others
Human herpes virus-7 (HHV-7)


Target Cell Type
T lymphocytes and others
Human herpes virus-8 (HHV-8)
Kaposi's sarcoma- associated herpes virus (KSHV)


Target Cell Type
Endothelial cells
HSV 1

Latency?
Neuron
HSV 2

Latency?
Neuron
Varicella Zoster Virus

Latency?
Neuron
EBV

latency?
B lymphocytes
Cytomegalovirus (CMV)

latency?
Monocytes, lymphocytes and possibly others
Human herpes virus -6 (HHV-6)


latency?
T lymphocytes and others
Human herpes virus -7 (HHV-7)


latency?
T lymphocytes and others
Human herpes virus-8 (HHV-8)
Kaposi's sarcoma- associated herpes virus (KSHV)

latency?
unknown
Human herpes virus-8 (HHV-8)
Kaposi's sarcoma- associated herpes virus (KSHV)

transmission?
Exchange of body fluids?
Human herpes virus -7 (HHV-7)

transmission?
Unknown
Human herpes virus -6 (HHV-6)

transmission?
Contact, respiratory route
Cytomegalovirus (CMV)


transmission?
Contact, blood transfusions, transplantation, congenital
Epstein-Barr Virus (EBV)

transmission
Saliva
Varicella Zoster virus (VSV)


transmission
Contact or respiratory route
Herpes simplex-2 (HSV-2)


transmission
Close contact usually sexual
Herpes simplex-1 (HSV-1)


transmission
Close contact