Faculty Opinions recommendation of Diagnosis and Treatment of Adults with Community-acquired Pneumonia. An Official Clinical Practice Guideline of the American Thoracic Society and Infectious Diseases Society of America.

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Abstract
An important update from 2007 guidelines. This document provides guidance on diagnostic testing, updated antibiotic recommendations, added recommendation on procalcitonin, use of steroids, and elimination of the category healthcare-associated pneumonia (HCAP). The authors propose using local prevalence in patients with community-acquired pneumonia (CAP) in deciding whether methicillin-resistant Staphylococcus aureus (MRSA) or Pseudomonas aeruginosa is a potential pathogen.