Procalcitonin (PCT) Level in the Emergency Department Identifies a High-Risk Cohort for All Patients Treated for Possible Sepsis.

What Is Already Known?: The benefits of measuring PCT in the Emergency Department (ED) are not yet fully characterised.PCT is widely used in the intensive care setting to guide antimicrobial prescribing.

What This Adds?: Measurement of PCT as a routine in the emergency department for all patients treated for possible sepsis identifies a high-risk cohort.