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KMID : 0882420040670040398
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Korean Journal of Medicine
2004 Volume.67 No. 4 p.398 ~ p.403
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Prevalence rate and triggering factors of syncope in medical students
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Chang Byoung-Jin
Ryu Hyeon-Min
Lee Jang-Hoon
Shin Jae-Kook
Kwon Yong-Seop
Lee Hyun-Sang
Shin Seung-Chul
Kim Hyung-Seop
Heo Jeong-Ho
Yang Dong-Heon
Park Hun-Sik
Cho Yong-Keun
Chae Shung-Chul
Jun Jae-Eun
Park Wee-Hyun
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Abstract
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Background: Syncope is a sudden and brief loss of consciousness associated with a loss of postural tone, from which recovery is spontaneous. The most frequently identified causes of syncope are neurocardiogenic, cardiac, cerebrovascular and side effects of drugs. However, in many cases, it is not easy to make a diagnosis of syncope. The prevalence rate of syncope also is variable according to the nature of the study. We investigated the prevalence rate, characteristics and triggering factors of syncope in young medical students.
Methods: We contacted 400 medical students of Kyungpook National University, Daegu, Korea, and a questionnaire on the prevalence, triggering factors, and recurrence rate of syncope was handed out. The data from 379 medical student (male 168, female 211, mean age 22.3 years) were included for further analysis.
Results: Fifty-eight students (15.3%) experienced syncope and female students reported higher prevalence rate than male students (20.4 versus 8.9%, p=0.002). Among 58 students with syncopal history, 22 students (male 2, female 20) experienced recurrent syncope. The students who experienced recurrent syncope were younger at first syncope than those without recurrent syncope (15.0 versus 17.3 years, p=0.039). The triggering factors of syncope were prolonged standing, warm environment, immediate standing, tiredness, emotional upset, menstruation, and so on.
Conclusion: The prevalence rate of syncope was 15% in medical student with mean age of 22.3 years. As the syncope in female and early onset syncope showed higher rate of recurrence, more attention may prevent recurrent syncope in these cases.
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KEYWORD
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Syncope, Prevalence rate, Triggering factor
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