7.2 Bronchiolitis Flashcards

1
Q

What is bronchiolitis?

A
  • First episode of wheezing with findings of viral rep infection
  • no pneumonia/atopy
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2
Q

Age for bronchiolitis?

A

12-24 months

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3
Q

Bronchiolitis cause?

A

RSV

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4
Q

Bronchiolitis peak time?

A

Winter

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5
Q

Other viruses that cause Bronchiolitis?

A

Rhino, parainfluenza, influenza, adenovirus, coronavirus

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6
Q

Pathogenesis of Bronchiolitis?

A
  • Small airways inflammation
  • Peribronchiolar infiltration, necrosis, biliary disruption
  • aedema, excess mucus
  • Obstruction/atelectasis
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7
Q

DDx for Bronchiolitis?

A
Asthma
Heart failure
Chlamydia
Pneumonia
Foreign body
Pertussis
Pneumothorax
Aspiration
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8
Q

Risk factors for Bronchiolitis?

A
<37 gestational age
<10 weeks old
Cigarette smoke
Breast fed for <2 months
Failure to thrive
Chronic lung and heart disease
Neurological conditions
Indigenous
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9
Q

What is mild Bronchiolitis?

A

Still feeding
No need for 02 (>92%)
No Resp distress
Often febrile

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10
Q

What is moderate Bronchiolitis?

A
  • SOB while feeding
  • Mod distress, retractions
  • Brief apnoea can episodes
  • mild hypoxaemia, corrected by O2
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11
Q

Bronchiolitis severe?

A
  • Can’t feed
  • severe resp distress
  • Hypoxaemia not corrected by O2
  • Prolonged apnoea episodes
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12
Q

Mx of Bronchiolitis?

A

Supportive
Hydration
O2 CPAP/NIV

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13
Q

Fluids for Bronchiolitis severe?

A

usually IV

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14
Q

Fluids for moderate Bronchiolitis?

A

Frequent small

NG

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15
Q

Bronchiolitis d/c criteria?

A

Minimal distress with feeding
Sp02 >92%
Parents happy/informed

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16
Q

Other associated infections with bronchiolitis?

A

Acute otitis media

UTI

17
Q

Which kids who have bronchiolitis have recurrent wheezy episodes at one/five year?

A

Hospitalised kids

18
Q

How to prevent?

A

Avoid smoking
Breast feed
Immunoprophylaxis for high risk kids

19
Q

High flow nasal cannula therapy for bronchiolitis?

A

Used, but evidence is limited

20
Q

Nebuliser hypertonic saline for bronchiolitis?

A

Not really