• Zahir Kanjee, Joshua P Metlay, Ari Moskowitz, and Eileen E Reynolds.
• Beth Israel Deaconess Medical Center, Boston, Massachusetts (Z.K., E.E.R.).
• Ann. Intern. Med. 2021 Dec 1; 174 (12): 1719-1726.

AbstractCommunity-acquired pneumonia is a major cause of morbidity and mortality in the United States, leading to 1.5 million hospitalizations and at least 200 000 deaths annually. The 2019 American Thoracic Society/Infectious Diseases Society of America clinical practice guideline on diagnosis and treatment of adults with community-acquired pneumonia provides an evidence-based overview of this common illness. Here, 2 experts, a general internist who served as the co-primary author of the guidelines and a pulmonary and critical care physician, debate the management of a patient hospitalized with community-acquired pneumonia. They discuss disease severity stratification methods, whether to use adjunctive corticosteroids, and when to prescribe empirical treatment for multidrug-resistant organisms such as methicillin-resistant Staphylococcus aureus and Pseudomonas aeruginosa.

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