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Fig. 2 | BMC Medicine

Fig. 2

From: Procalcitonin-guided diagnosis and antibiotic stewardship revisited

Fig. 2

Procalcitonin (PCT) algorithm in patients with respiratory tract infections in the emergency department. The clinical algorithm for antibiotic stewardship in patients with respiratory tract infections in the emergency department encourages (>0.5 ng/ml or >0.25 ng/ml) or discourages (<0.1 ng/ml or <0.25 ng/ml) initiation or continuation of antibiotic therapy more or less based on specific PCT cut-off ranges. Abbreviations: AB antibiotic, LRTI lower respiratory tract infection, ICU intensive care unit, PSI pneumonia severity score

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