dnavirus Flashcards
herpesvirus
enveoped, DS, Linear viruses
HSV1 route of transmission
respriatory secretions, saliva
singficiance of hsv1
gingivostomatitis, keratoconjunctivitis, herpes labialis, herpetic whitlow on finger, temporal lobe encephalitis, esophagitis, erythema multiforme
most common cause of sporadic encephalitis; present as altered mental status, seizures, and or aphasia
herpes simplex virus 1
painful vesicles on lips and hard palte
gingivostomatitis (results in dehydration): most common reason for hospitlization
herpes simplex virus 2 route
sexual contact, perinatal
singficiance of hsv2
herpes genitalis, neonatal herpes
painful vesicles on labia, penis, buttocks or thigh
herpes genitalis
fever, myyalgia, inguinal lymphadenoapthy, itchy, painful vesicular genital lesion
ystmeic symptoms in primary infection of hsv2
latent in sacral ganglia
hsv2
viral meningits more common with which herpresvirus
hsv2
transmission of varicella zoster virus
respiratoyr secretions
significance of varicella zoster virus
varicella zoster (chickenpox, shingles, encephalitis, pneumonia
most commpon complication of shingles is
post herpetic neuralgia
latent in dorsal root or trigeminal ganglia; cn V1 branch can cause herpes zoster ophthalmicus
zostervirus
diagnosed with pcr
herpesvirus
only virus to acquire their envelopes by budding from nuclear membrane
herpesvirus
poxvirus
enveloped, DS linear (largest DNA virus)
flesh colored papule with central umbilication
molluscum bodies; single or mutliple lesions that are smooth POXVIRUS
hepadnavirus
enveloped, PARTIALLY DS and circular
adenovirus
nonevenolped, DS, linear
febrile pharyngitis - sore throat
acute hemorraghic cystiis
pneumonia
conjunctivitis
adenovirus
outbreaks in corwded quarters (daycare centers camp
adenovirsu
acute onset of fever, coguh congestion, pharyngitis, conjunicitiist
pharyngoconjunctival fever
papillomavirus
noneveloped, ds and circular
JC virus, BK virus
polyomavirus
progressive multifocal leukoencepahloaphty in HIV
JC Virus
transplant patients, commonly targets kidneys
BK virus
parvovirus
non enveolped
SS
Linear
aplastic crises in sickle cell disase, slapped cheek rash in children (erytehma infectiousu or fifth disasese
B19
RBC destrcution in fetus leads to hydrops fetalis and death, in adults leads to pure RBC aplasia and RA
parvovirus
occurs in teachers: school outbreaks
parvovirus
HHV4
epstein barr
avoid contact sports utnil resolution due to risk of splenic rupture
EBV
infects B cells through CD21
eBV
use of ____ in mononucleosisi can cause characterisic maculopapular rash
amoxicillin
EBV mechanism
stimualte b cells to enter cell cycle and proflieratie continous:ly: immortialized lymphocytes
common in lung transplants
CMV
HHV6 and 7
roseola infatnum (exanthem subitum)
high fevers for several days that can cause seizures followed by diffuse macular rash
roseola infantum
rash in hhv6 starts on
starts on trunk and spreads to face + extremities
yellow ewhite fluffy retinal lesions near retinal vessels assoc with hemorraghe
cmv retiinits
encephalitisi, esophagigits, retinintsi, colitis
CMV
Rhinovruis uses what receptor
ICAM1
CMV uses what receptor
integrins (heparan sulfate)
coxsackie is on what palate
soft
hsv1 is on what palte
hard
classic dengue fever
flu like febrile illenes wi marked malgias, joint pains
retro oribatl pain
rahs
what transmits chikungunya
aedes mosquito
flu like symptoms, febrile, pilyarthralgia, arthritis, and diffuse macular rash
what dissolve lipid bilarye tha makes up outer viral envelop
ethers and organic solvens; causing lsos of viral infectivity
2ndeary infection of degnue fever
vascuarl permeability, thrombocytopenia, shock, fever, pos tourniquet test
West nile virus
fever headache rash
meniginits, encephalitis
transmission of west nile
mosquitoes, (culex sspp_
anti WNV antiobides in CSF
diagnosis for west nile virus which is more common in warm climate in summer/ fall
