Methods Observational, cross-sectional study, with a questionnaire designed to assess the quality of service and satisfaction at the end of care in the emergency department. Descriptive statistics of scale were established and presented, as well as determining the construct validity, overall reliability, internal and concurrent validity of an overall against a uni-dimensional scale. Results A total of 5,961 records were reviewed, most of them (77.3%) reported by patients in the Mandatory Health Plan. High levels of satisfaction overall and by