Croup Flashcards

1
Q

Natural history of croup/ laryngotacheobronchitis

A
  1. Mucosal inflammation
  2. Increased secretions
  3. Critical narrowing of the trachea
  • Peak age of onset = 2 years
  • lower threshold for hospital admission in <12m as narrow airway
  • 6m- 6 years
  • Commenest in autumn
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2
Q

Causative agents of croup

A
  • VIRAL = 95%
    • parainfluenza
    • human metapneumovirus
    • RSV
    • influenza
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3
Q

Clinical features of croup

A
  • barking cough
  • harsh stridor
  • hoarseness
  • preceded by fever and coryza
  • start and are worse at night
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4
Q

Treatment of croup

A
  • inhalation of warm moist air
  • oral dexamethasone
  • oral prednisolone
  • steroid nebs (budesonide)
  • Severe upper airway obstruction:
    • adrenaline nebs + O2 (2h half life)
    • anaesthetist/ intensivist
    • intubation
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