Legionella pneumophila pneumonia

*Legionella pneumophila* pneumonia, commonly referred to as Legionnaires' disease, is an acute, potentially severe lower respiratory tract infection caused by the intracellular Gram-negative bacterium *Legionella pneumophila*

*Legionella pneumophila* pneumonia, commonly referred to as Legionnaires' disease, is an acute, potentially severe lower respiratory tract infection caused by the intracellular Gram-negative bacterium *Legionella pneumophila* It primarily affects adults with risk factors such as advanced age, tobacco use, chronic obstructive pulmonary disease, or immunocompromising conditions, and is typically acquired via the inhalation or aspiration of contaminated water aerosols Clinically, it manifests as hi...

It primarily affects adults with risk factors such as advanced age, tobacco use, chronic obstructive pulmonary disease, or immunocompromising conditions, and is typically acquired via the inhalation or aspiration of contaminated water aerosols

Pathophysiologically, the organism proliferates within alveolar macrophages, inciting alveolar inflammation, consolidation, and impaired gas exchange

Pathophysiologically, the organism proliferates within alveolar macrophages, inciting alveolar inflammation, consolidation, and impaired gas exchange Clinically, it manifests as high fever, dyspnea, and a cough that frequently progresses alongside prominent extrapulmonary manifestations, notably gastrointestinal symptoms, neurologic abnormalities, and hyponatremia

Clinically, it manifests as high fever, dyspnea, and a cough that frequently progresses alongside prominent extrapulmonary manifestations, notably gastrointestinal symptoms, neurologic abnormalities, and hyponatremia