Objetive: The study had the aim to describe the exact moment of interrupting CPR maneuvers in patients in CRP situations.Method: This is an exploratory and descriptive research, with quantitative character and approach. It was performed with 67 (seventyseven) nurses from a Regional Hospital, who were informed about the objectives of the same. There were included those who act in direct patient care; of effective position and contracted in the service; And with more than one (1) year of training. The instrument used for data collection was a questionnaire, previously elaborated, containing objective, subjective and non-inductive questions, which allowed the informant to answer the data pertinent to the study. It was found that the majority of the interviewees were women, aged between 31 and 35 years, specialists, with more than 4 years of training and 3 years of service, medical/surgical clinic attendees, and without reports of training.Results: They demonstrated they know the exact timing of CPR maneuvers but reported that they would not apply CPR in situations in which the patient had cadaveric stiffness, decomposition, crushing of the skull and thorax, or a CPA report of more than 20 minutes. Faced Cardiopulmonary Re-Immonation (CPR): how long should a Person Insist on Performing the Maneuvers?