Legionella pneumonia

Case contributed by Ian Bickle
Diagnosis certain

Presentation

Unwell. Low saturations. Pyrexic. Tachypneic, Right basal rhonchi. Dry cough 1 week ago. Green productive cough few days ago ?LRTI/?COVID

Patient Data

Age: 60 years
Gender: Female
x-ray

Dense right upper lobe pneumonia.

Right lower lobe consolidation and round pneumonia in the apical segment of the left lower lobe.

Heart size normal.

x-ray

Endotracheal tube.  Right and left internal jugular lines.

Partial clearing of the right upper lobe pneumonia.

Right and left lobe pneumonia remains.

Case Discussion

This is a microbiologically confirmed case of Legionella pneumonia.  The radiological appearances can be variable although are often described as multifocal and bilateral, as in this case. 

It is atypical pneumonia typically acquired from aerosolized water and outbreaks may occur from air conditioning units in large buildings such as factories or apartment blocks.

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