Lower respiratory tract infection in children Flashcards
What are common infective agents ?
Bacterial: - strep pneumoniae - haemophilus influenzae - Moraxella catarrhalis - mycoplasma pneumoniae - chlamydia pneumoniae Viral: - RSV - parainfluenzae III - influenza A + B - adenovirus
What is tracheitis ?
Inflammation of the trachea
What is the description of tracheitis ?
Croup which doesn’t get better
What are the symptoms of tracheitis ?
Fever
Swollen tracheal wall
Narrow tracheal lining
Luminal debris
What are the common causative agents for tracheitis ?
Staph or strep infection
What is the treatment of tracheitis ?
Augmentin
How common is bronchitis ?
Very common
What are the symptoms of bronchitis ?
Loose rattily cough with URTI
Post-tussive vomit - ‘glut’
Chest free of wheeze and creps
Is bronchitis self-limiting ?
Yes
What is the causative agents for bronchitis ?
Haemophilus/Pneumococcus
What is the mechanism of bacterial bronchitis ?
Disturbed mucocilary clearance
- minor airway malacia - RSV/adenovirus
What does bacterial bronchitis usually follow on from ?
URTI
What is Bronchiolitis defined as ?
A lower respiratory tract infection of infants
What % of children are usually affected by bronchiolitis ?
30-40%
What is the cause of bronchiolitis ?
RSV (Respiratory Syncytial Virus)
Parainfluenza 3, HMPV (human metapneumovirus)
What are the symptoms of bronchiolitis ?
Nasal Stiffness
Tachypnoea
Poor feeding
Crackles +/- wheeze