Objective: Analyze the diagnostic precision of the qSOFA scale against the SIRS criteria in emergency triage to identify patients with suspected sepsis. Method: Ambispective cohort study in the emergency room of the Costa del Sol Hospital. The study subjects were older than 14 years who attended with suspected or confirmed infection in the years 2017 and 2019. Sociodemographic variables were evaluated, the physiological variables of qSOFA and SIRS, level of triage, attention circuit, activation of sepsis code. Descriptive analysis was performed in a segmented manner according to the year of study. The statistics of the diagnostic tests were described to know the prognostic capacity of qSOFA. Results: 42 patients were recruited in 2017 and 41 in 2019.The mean age of the patients exceeded 75 years on average in both periods. When analyzing the diagnostic effort for activating the sepsis code, 2 patients (4.8%) had completed all the parameters contemplated by SIRS and 1 (2.4%) with qSOFA (p = 1) for each year of study. Conclusions: The lack of records of physiological parameters that contemplate the study scales has made it difficult to determine the diagnostic validity of qSOFA in hospital emergencies. However, the experience and clinical judgment of the triage nurse has contributed to the fact that all the patients studied were correctly classified according to the level of priority and care circuit, guaranteeing early care in sepsis.