Prevalencia de síncope en una muestra de mujeres mexicanas residentes de la ciudad de México

objective: to identify the frequency of syncope in a sample of women regular residents of mexico city. methods: two hundred and twenty one women between 18 and 88 years old with voluntary participation were included in the study. trained interviewers through a structured questionnaire obtained syncope information. prevalence of syncope was obtained, and it's relation with: age, time since the last syncope and frequency of syncope in their live span was registered. results: thirty eight percent informed they had suffered syncope, of them 50% had only one syncopal episode during their lives. the others had two or more episodes. most women had their last syncope between 19 and 50 years of age. conclusions: the frequency of syncope was a little higher than previous studies. this is a first approximation, which must be corroborated with larger studies with well population variability representation.