Community-acquired pneumonia in the emergency department.

As recommendations for the diagnosis, treatment, and disposition of patients with community-acquired pneumonia continue to evolve, this issue reviews the current evidence and guidelines for managing these patients in the emergency department. The various clinical decision aids are compared, as they assist in determining the level of inpatient care required and allow for a greater proportion of patients to be treated successfully as outpatients. A clinical pathway for emergency department management delineates optimal antibiotic regimens based on severity, comorbidities, and risk factors.