Viral syndromes (EBV) Varicella Flashcards
EBV presentation
fever, fatigue, LAD and persistent exudative sore throat and possible splenomegaly
EBV heterophile test (monospot) should be performed
>4 days after symptom onset to avoid false negative results.
vesicular crusting skin eruption on forehead that involves the eyelides, and see edema and drooping
herpes zoster opthalmicus HZO
herpes zoster opthalmicus
serious vision threatening complication with the reactivation of varicella zoster in the trigeimnal nerve root gangion
headache, malaise, eye pain and fever before developing a vesicular crusting skin eruption
this is another presentation of herpes zoster opthalmicus caused by varicella zoster virus reactivation
Management of herpes zoster opthalmicus
need urgent ophthalmological consultation
immunocompromised pts with sight threatening ophathalimicus should get
IV acyclovir
what can be done if there is no ophthalmologist near by?
get topical steroid eye drops to help decrease the inflammatory response.
B symptoms and LAD and owl eye morphology (reid sternburge cells) is caused by
EBV
POC testing for EBV
if performed after 5 days has a sensitivity of about 90%
EBV serology is
more sensitive than POC testing.
low risk group for EBV and highest risk group for EBV
35 yrs high risk is about 21 years of old. Also most adults will have gotten EBV well before age of 35 years
EBV can cause these secondary cancers in
post renal transplant lymphomas
CNS lymphoma
Burkitt’s
nasopharyngeal carcinoma
who is more susceptible to influenza infection?
age >65 years
pregnant woman
women who are 2 weeks post partum
adults with chronic illness (asthma, COPD, CF, CAD, CHF, CKD, cirrhosis, hematological disorders, diabetes, stroke, immunosuppresion, or morbid obeisty or residents of a nursing home)
