- Original Article
- Change of Cerebral Blood Flow during Tilt Tests in
Children with Vasovagal Syncope
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Su Jung Kim, Hye Won Yom, Young Mi Hong, Jung Hyen Yoo, Sook Hee Lee, Chong Hee Kim
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Clin Exp Pediatr. 2003;46(10):983-988. Published online October 15, 2003
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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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