background and objectives: new resuscitation guidelines contain significant changes intended to improve resuscitation practice and survival from cardiac arrest. the objective of this study was to evaluate the theoretical knowledge about cardiac arrest (ca) and cardiac and pulmonary resuscitation (cpr) among doctors after five years of the graduation. methods: the questionnaire survey was conducted in an emergency hospital in the state of alagoas. the population was composed of doctors with five years after your graduation. the data was collected with a questionnaire with questions about the theme. the results were analyzed based on bibliographies about ca and cpr. results: thirty-nine professionals answered the questionnaire. the ca diagnostic was correct in 76.9% and increased to 82.7 when the case report was included. questions about sodium bicarbonate and vasopressin were correctly answered by 30.8% and 15.4% of the participants. conclusions: the greatest difficulty reported in this study was on the ca arrest most of the participants of the survey are not aware of the correct indications of vasopressin and sodium bicarbonate in the cpr. according to this study, a continuing medical education program on cpr for physicians with more than five years of graduations warranted.