4.1 Flashcards
primary infection of HSV 1 causes what in adults
tonsillopharyngitis
primary infection of HSV 1 causes what in kids
gingivostomatitis
Recurrent infection/reactivation of latent infection in HSV 1 causes
herpes labialis (cold sore)
Prodromal symptoms occur how long before grouped vesicles on an erythematous base appear in HSV 1?
24 H
test of choice for HSV 1
PCR
Most cases of genital herpes are caused by
HSV 2
Are ulcers painful or painless in HSV 2
painful
test of choice for HSV 2
PCR
what does Tzanck smear show for HSV 1, 2, and VZV
multinucleated giant cells
severe infection of the brain parenchyma caused by HSV 1
HSV encephalitis
most common cause of encephalitis in the US
HSV 1
what lobe most commonly undergoes necrosis in HSV encephalitis
temporal lobe
focal neurologic findings in HSV encephalitis
rapid onset of fever
headache
seizures
alertness changes
What will LP show for HSV encephalitis
increased lymphocytes
normal glucose
What is Epstein-barr virus caused by
HHV-4
What is another name for Epstein-barr virus
Infectious mononucleosis
what cells are infected in Epstein-Barr virus
B cells
Main clinical manifestations for infectious mononucleosis
fever
fatigue
pharyngitis
lymphadenopathy
is lymphadenopathy most commonly anterior or posterior cervical in infectious mononucleosis
posterior cervical
in what infection do we commonly see generalized maculopapular rash if given ampicillin or amoxicillin
infectious mononucleosis/epstein-barr virus
What causes cytomegalovirus
HHV-5
how is HHV-5 transmitted
body fluids
vertical transmission
in what population of people is HHV-5 most common
immunocompromised patients
what causes varicella zoster virus
HHV-3