- Original Article
- Abnormal Fractal Correlation of Heart Rate in
Children with Neurocardiogenic Syncope
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Keoung-Young Kim, Eun-Young Joo, Myung-Kul Yum, Je-Wen Oh, Chang-Ryul Kim, Nam-Su Kim, Cheol-Beom Lee, Chung-Ill Noh
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Clin Exp Pediatr. 2002;45(9):1114-1119. Published online September 15, 2002
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Purpose : The purposes of this study were to determine short- and long-term fractal correlation behavior of heart rates during daily activity in patients with neurocardiogenic syncope.
Methods : Twenty five patients with histories of neurocardiogenic syncope episodes were included. Their analogue 24h ambulatory Holter electrocardiograms were analyzed. The tape was digitized and the digitized electrocardiograms were partioned into... |
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- Ventricular Inhomogeneity and Beat-to-beat QT Interval
Variability after Surgical Repair of Tetralogy of Fallot
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Su-Hyun Kim, Myung-Kul Yum, Nam-Su Kim, Chang-Ryul Kim, Chul-Burm Lee, Chung-Ill Noh, Hee-Soo Kim
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Clin Exp Pediatr. 2001;44(4):418-425. Published online April 15, 2001
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Purpose : The object of this study is to determine whether QT interval variability in patients with postoperative tetralogy of Fallot increases.
Methods : We enrolled 41 patients who had total correction of tetralogy of Fallot, and 31 healthy controls. They were 6-12 years old. Patients were divided into 2 groups : arrhythmia-positive patients(n=10) who had ventricular premature contractions more than... |
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- Clinical Trends in Acute Rheumatic Fever in Korean Children : Mailed Questionnaire Survey from 1988 to 1997 (Compared with 1978-1987)
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Hyeon-Ho Kang, Sung-Ho Cha, Kyong-Su Lee, Sang-Bum Lee, Tae-Chan Kwon, Young-Chang Tockgo, Chang-Sung Son, Jin-A Son, Hee-Ju Park, Yong-Soo Yun, Jung-Yun Choi, Chang-Hwi Kim, Chul-Ho Kim, Tai-Ju Hwang, Jae-Sook Ma, Chan-Uhng Joo, Nam-Su Kim
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Clin Exp Pediatr. 1999;42(10):1381-1391. Published online October 15, 1999
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Purpose : The purpose of this study was to assess the frequency of acute rheumatic fever(ARF) among children in Korea and to describe trends in its clinical characteristics compared to data from a previous study(1978-1987).
Methods : A mailed questionnaire survey sent to the pediatric departments of 13 general hospitals in Korea requested the total number of patients with ARF and... |
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- Autonomic Activity, Cardiac Chaos and Circadian Rhythm in Asymptomatic Children with Postoperative Tetralogy of Fallot
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Myung-Kul Yum, Nam-Su Kim, Jae-Won Oh, Chang-Ryul Kim, Chul-Burm Lee, June Huh, Chung-Il Noh
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Clin Exp Pediatr. 1998;41(11):1517-1529. Published online November 15, 1998
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Purpose : This study aimed to characterize the autonomic and chaotic control of heart rate and circadian rhythm in asymptomatic patients with postoperative tetralogy of Fallot(pTOF).
Methods : Twenty-four-hour electrocardiogram recordings were obtained in 30 asymptomatic pTOF patients and in 30 age-and sex-matched controls, aged between 6 and 11 years. The data was digitized and partitioned into sections of 30-... |
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