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Bacterial lung infection 

Bacterial lung infection
Bacterial lung infection

Simon Brill

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date: 27 January 2021

Bacterial lung infection may be caused by a wide variety of pathogens and may present in different ways. This chapter discusses a case presenting with signs and symptoms that were initially treated as community-acquired pneumonia, before the presence of a complicated bacterial lung abscess became clear. The clinical course was complicated by an episode of atrial fibrillation. The patient did not improve, and an underlying squamous cell carcinoma was diagnosed. The initial investigation and treatment of pneumonia are discussed, as well as risk stratification, aetiology, differential diagnosis, detailed investigations, and treatment. The potential pulmonary and cardiac complications of pneumonia are also discussed, with particular relevance to the aetiology and treatment of bacterial lung abscess. This chapter provides an overview of the varied spectrum of lung infection and reinforces the importance of considering differential diagnosis and potential complications in any patient who fails to improve with standard treatment.

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