History and exam
Key diagnostic factors
common
presence of risk factors
Risk factors include overcrowding.
Other diagnostic factors
common
illness in other family members
Spread can occur in families.
cough
Non-specific; may be non-productive.
fever
Non-specific sign.
headache
Non-specific symptom.
rales
Consistent with pneumonia.
wheezes on chest auscultation
Common, but not diagnostic.
tachypnoea
Variable, dependent on extent of lung involvement.
uncommon
pleuritic chest pain
May occur with inspiration or cough.
dullness to percussion/reduced air entry/decreased tactile fremitus
May suggest pleural effusion.
Risk factors
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