Cross-sectional research with a descriptive design of a quantitative analytical approach, carried out between 2018 and 2019, using forms with registration completed by the care teams of the Advanced Support Units of Sao Jose do Rio Preto, SP, Brazil, in order to analyze the outcomes of cardiac arrest in patients in pre-hospital care. The collected and tabulated data were analyzed statistically in a descriptive and inferential manner. 291 attendance records were considered. Of the outcomes of cardiorespiratory arrest, deaths were reached in 63.92%, deaths during care in 30.24% and PCR reversed and referral to the hospital in 5.84%. The factors that most influenced deaths were: advanced age (66.66% over 71 years old), occurrence at residences (75.81%) and cardiovascular diseases (74.91%). The response time was significant in the outcome of death, as well as the initial rhythm of asystole (in 99.46% of the death reports and 70.45% of the deaths during care). The ambulance arrived at the site in 12 minutes in 76.47% of the cases. Of the reversed cardiorespiratory arrest, cardiopulmonary resuscitation was being performed (64.71%) before the Advanced Support Unit arrived. The training of the community in relation to the early recognition of cardiopulmonary arrest and the performance of cardiopulmonary resuscitation is important.