Figure 2.

Algorithm for antibiotic therapy in patients with lower respiratory tract infections. Clinical algorithm for the diagnostic workup and guidance of antibiotic therapy in patients with lower respiratory tract infections (LRTI). ARDS, acute respiratory distress syndrome; CAP, community-acquired pneumonia; COPD, chronic obstructive pulmonary disease; CURB, Confusion, Urea, Respiratory rate, Blood pressure; GOLD, Global Initiative for chronic destructive Lung Disease; ICU, intensive care unit; PSI, pneumonia severity index.