Chapter 19, Bronchiolitis (RSV)

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Author:
tville01
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152707
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Chapter 19, Bronchiolitis (RSV)
Updated:
2012-05-07 13:31:18
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Chapter 19 Bronchiolitis RSV
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Chapter 19, Bronchiolitis (RSV)
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  1. What type of respiratory disease is bronchiolitis
    lower respiratory
  2. common viral infection of young children 2-12 mnths
    responsibile for noscomial epidemics
    involves bronchi and bronchiolies, NOT alveoli
    bronchiolitis
  3. What 2 viruses can cause bronchiolitis
    • Respiratory syncytial virus
    • rhinovirus
  4. What is the virus family that causes bronchiolitis
    myxovirus
  5. Is the myxovirus RNA or DNA? descibe virus
    • RNA, single strand
    • pleomorphic
    • envelope(like flu), but no spikes
    • syncytia(clumping of cells)
  6. How is bronchiolitis transmitted
    • droplets
    • fomites
    • predisposing factors(asthma, smoke)
  7. What is the incubation period and onset of bronchiolitis
    • 1-4 days
    • gradual onset
  8. Describe the pathogenisis of bronchiolitis
    • 1.virus inhaled
    • 2.Infects respiratory tract
    • 3.cells die and block bronchioles
    • 4.edema, increased secreations & bronchospasms
    • 5.airways obsructed
  9. what are the signs of bronchiolitis
    • runny nose
    • cough
    • wheezing
    • atelectasis
    • dyspena
    • rales
    • nasal flaring
    • maliase
    • fever(low grade)
  10. what diagnostic test are used for bronchiolitis
    • serum antibody titers
    • nasal & pharyngeal secreation cultures
  11. What is the treatment of bronchiolitis
    • support and monitor
    • monitor blood gases
    • maintain fluids
    • riboviran(antiviral)
    • RSV Immunoglobulin serum
    • RSV monocolonial antibody
  12. What is the prognosis of bronchiolitis
    • without complication 7-10 day recovery
    • frequent reinfection due to weak and short lived immunity

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