Pneumonia Flashcards
Clinical presentation
Following URTI, patient gets worsening fever, cough and breathlessness.
Tachypnoea
Signs of consolidation (dullness, decreased breath sounds, bronchial breathing) may be present but difficult to detect in infants
Crackles may be present
In bacterial pneumonia. pleural inflammation causing chest/abdo pain and effusion common
Causative organisms in neonates
Group B strep
E. coli
Chlamydia trachomatis
Listeria monocytogenes
Causative organisms in infants
Resp viruses eg RSV and adenoviruses
Strep pneumoniae
Hib
Bordetella pertussis
Causative organisms in children
Strep pneumoniae
Hib
Group A strep
Mycoplasma pneumoniae (>5)
Causative organisms in those with underlying respiratory disease
Pseudomonas aeruginosa
Staph aureus
Predisposing factors
Congenital anomaly of bronchi Inhaled foreign body Immunosupression Recurrent aspiration CF
Investigations
Diagnosis largely clinical
CXR only if failure to respond to tx or complications suspected
BC, CRP, blood cultures
nasopharyngeal aspirate
Mycoplasma: acute and convalescent serology/demonstration of cold agglutinins
Features suggesting bacterial pneumonia
Temp >38.5
RR >50 with recession
CXR consolidation
(Polymorphonuclear leucocytosis, pleural effusion)
Management
Amoxicillin first line
Cefuroxime and flucloxacillin in severe illness
Erythromycin (macrolide) if mycoplasma suspected
Oxygen if sats <92%
Antipyretics/analgesia
Fluids
Features suggesting viral pneumonia
Temp <38.5
Wheeze
CXR hyperinflation
Indicators for hospital admission in infants
Sats 70 Difficulty breathing Intermittent apnoea/grunting Not feeding Family not able to provide appropriate observation/supervision
Indicators for hospital admission in older children
Sats 50 Difficulty breathing Grunting Signs of dehydration Family not able to provide appropriate observation/supervision