Desempenho do reanimador durante seis minutos de compressões torácicas realizadas em ambiente simulado

Background: The performance of quality chest compressions according to the international guidelines affects the outcomes and survival in cardiac arrest. Objectives: To analyze the influence of fatigue and physical fitness on the rescuer's performance during a period of 6 minutes of continuous chest compressions. Methodology: Descriptive-correlational study, with a sample of 38 professionals experienced in resuscitation. Fatigue was assessed through capillary blood lactate levels; physical fitness through strength tests and body composition; and the rescuer's performance through the percentage of correct compressions per minute, which were performed in manikin. Results: The percentage of correct compressions decreased every minute (p