Journal of the Korean Pediatric Society 2003;46(5):490-494.
Published online May 15, 2003.
Screening Test for Heart Diseases in the First Grade Elementary School Children in Busan
Jae Min Oh, Hee Ju Park
Department of Pediatrics, College of Medicine, Pusan National University, Busan, Korea
부산 지역 초등학교 1학년 학생들의 심장질환의 집단검진에 관한 연구
오재민, 박희주
부산대학교 의과대학 소아과학교실
Correspondence: 
Hee Ju Park, Email: phj7294@hanmail.net
Abstract
Purpose
: We'd like to determine the incidence of congenital heart disease and arrhythmia in elementary school children in Busan, and to provide adequate prevention and treatment.
Methods
: A total of 23,802(male 12,909, female 10,893) 1st grade elementary school children living in Busan were studied. All children were 7-8 years old. We obtained their medical history by questionnaire and checked elecrocardiography(ECG). Subsequent screening tests including a 2nd ECG, chest X-ray, phonocardiogram and CBC for the students who had abnormal findings at the first screening test. The third screening test was done for students who had cardiac murmurs or abnormal ECG findings in the second screening test by echocardiogram, treadmill test and 24-hour Holter monitoring.
Results
: Among 23,802 children participants, 605(2.54%) had abnormal ECG findings at the first screening test. Q wave abnormality(0.58%) was observed most frequently, and complete right bundle branch block(RBBB)(0.26%), sinus tachycardia(0.24%), right axis deviation(0.22%) and ventricular premature contraction(VPC)(0.21%) followed in order. Four hundred and twenty four children participated in the second ECG screening test. Two hundred and two children(47.6%) had an abnormality such as sinus tachycardia(18.8%), VPC(17.8%), or complete RBBB(17.3%). After completing the third examination including echocardiogram, we couldn't find the students with ventricular tachycardia (VT) or SVT at the third arrhythmia screening test.
Conclusion
: A high incidence of arrhythmia was found in the 1st grade elementary school children in Busan despite their healthy appearances, although fatal heart diseases were not noted. Early diagnosis, adequate preventative measures and treatment will prevent and decrease the frequency of emergent situations like syncope and sudden death.
Key Words: Screening test, Heart disease, Arrhythmia


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