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Original Article
Cardiology
Vasovagal syncope with mild versus moderate autonomic dysfunction: a 13-year single-center experience
Han Eoul Lee, Dong Won Lee
Clin Exp Pediatr. 2022;65(1):47-52.   Published online June 1, 2021
Question: It is well known that autonomic dysfunction contributes to vasovagal syncope (VVS). Does the degree of autonomic dysfunction contribute to clinical manifestations, diagnostic methods, treatment, and prognosis?
Finding: The clinical manifestations, diagnostic methods, treatment, and prognosis differ between patients with mild and moderate degrees of autonomic dysfunction.
Meaning: VVS is caused by autonomic dysfunction, but autonomic dysfunction severity need not be classified.
Change of Cerebral Blood Flow during Tilt Tests in Children with Vasovagal Syncope
Su Jung Kim, Hye Won Yom, Young Mi Hong, Jung Hyen Yoo, Sook Hee Lee, Chong Hee Kim
Clin Exp Pediatr. 2003;46(10):983-988.   Published online October 15, 2003
Purpose : Syncope appears to be common. However, the mechanism of syncope is not clear. Increased vagal activity and withdrawal of sympathetic stimulation cause hypotension, bradycardia and finally loss of consciousness. The purpose of this study was to evaluate changes of cerebral blood flow velocity, blood pressure, and heart rate during tilt test in children with vasovagal syncope. Methods : Sixty...
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