The flashcards below were created by user
Jenmom2grls
on FreezingBlue Flashcards.
-
Virus
- not a true cell- no cell wall, membrane or cytoplasm
- cell fragment or particle
- obligate intracellular parasite
- complete virus=viron
- contain DNA or RNA, never both
- capsid
- envelope
- shapes: helical, icosahedral, complex
-
Adenovirus
- common cold
- upper resp. tract
- conjctivitis, viral meningitis
- resp. droplet
-
-
upper resp. tract
Jan-March
Amantadine, Rimantidine
Tamiflu, Relenza, Ribavirin
vaccine
rapid test for A&B
-
Guillain-Barre syndrome
- compication of flu/vaccine
- nerve damage, parlysis, coma
-
Reyes syndrome
- complication from flu
- fever, vomit, liver and brain damage, coma
- 90% fatal
-
Arbovirus
- arthropod borne
- arboviral encephalitis
- to neurons and CNS
- headche, fever, confusion, weakness
- destroy nerve cells, brain damage, death
- West nile virus
- -bird, horse, human
- LaCrosse, St. Louis
-
HPV
- warts
- STD-cervial cancer
- direct contact w/lesion
- Tx: Cryotherapy, laser
-
Herpes
- I- oral lesions
- II- genital lesions
- via neurons to nerve ganglia
- STDs, direct contact
- Tx: Valtrex, Famvir, Zorvirax
- baby: herpes encephalitis
- cogenital fetal herpes-cross placenta
-
Varicella zoster
- same virus for Chicken pox and shingles
- Varivax
- Tx: Varicalla zoster immune globulin (VZIG)- chx pox
- Tx: Valtrex, Famvir- shingles
- Can get chx pox from shingles
- Can't get shingles from shingles
-
Rubella
- German measles
- pale pink rash: start on face, spread to body
- cross placenta-damage fetus
- -eyes, ears, heart, still birth, death
- resp. drop/direct contact
- MMR
- TORCH
-
Rubeola
- Red measles
- Koplik spots-red w/white grain-like centers on gumline
- starts on head, spreads to trunk
- resp. drop
- MMR
-
Mumps
- Parotid glands
- orchitis-male infertility
- resp. drop
- MMR
-
Epstein-Barr
- herpesvirus
- causes mono
- chronic fatigue
- strep-secondary
- swollen lymph nodes, sore throat, extreme fatigue, enlarged spleen
- inflamed lymphatic tissue
- enlarged liver-damage liver cells
- Dx: CBC, monespot, symptoms
- Burkitt lymphoma, Hodkin
-
CMV
- herpesvirus
- flu-like
- older kids and adults
- severe in AIDS and immunocompromised
- Trans: sheds in fluids
- -saliva, blood, urine, breastmilk, semen
- damage fetus: brain, hearing, vision
- TORCH
-
Rotavirus
- young children
- gastroenteritis
- more in winter
- fecal/oral
- Dx: rapid tube from stool
- Prevent: Rota Teq, Rotarix
- -prevent/reduce severity
-
Hepatitis A
- "infectious" hepatitis
- most common viral hep.
- fecal/oral
- Dx: liver fx tests-AST, ALT
- vaccine for babies and travelers
- immune globulin for exposure
-
Hepatitis B
- "serum hepatitis"
- heterosexual sex, IV, tattoo, homosexual sex, IV drug use
- Dx: HbsAg
- HbcAg 4-6 weeks after
- HBsAb (make sure immune)
- vaccine
- Tx: Alpha interferon
-
Hepatitis C
- Incubation 2 weeks to 6 months
- IV drug use, tattoos
- most common reason for liver transplant
- Tx: interferon, ribivirin
- No vaccine
-
HIV
- RNA virus
- Stage 1 CD4>1000-symptomatic, fever, fash, nightsweats
- Stage 2 CD4>1000-few symptoms, HIV +
- Stage 3 CD4<600
- Stage 4 CD4<200-ARC, neurologic, secondary inf and cancers
-
HIV opportunistic infections
- PCP pneumonia
- CMS retinitis
- cryptococcus neoformans
- Karposi's sarcoma
- TB
- MAC
- shingles
- herpes
- candidisis
-
Infants get HIV in what 3 ways?
What med is given?
- in utero
- during delivery
- through breast milk
give infant ZDV
-
AIDS
-dx
-tx
- dx: ELISA- HIV antibodies
- -Wester Blot- confirmatory
- tx: AZT, ZDV, interferon, protease inhibitors, reverse transcriptase inhibitors, fusion inhib., antibiotics for opportunistic infections
|
|