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Original Article
The Electrocardiographic and Vectorcardiographic Findings of Tetralogy of Fallot.
Chang Yee Hong, Jung Yean Choi
Clin Exp Pediatr. 1979;22(1):13-19.   Published online January 15, 1979
The electrocadiographic and vectorcardiographic findings were reviewed in 49 cases of tetralogy of Fallot, confirmed by cardiac catheterization and angiocardiographic findings and/or, by surgery. In most cases, the electrocardiographic findings were right axis deviation and right ventricular hypertrophy. Vectorcardiographic findings were as following; 1) The initial vector directed to anterior and slightly left or right. 2) The maximum vector directed...
Case Report
Malignant Choroid Plexus Tumor in an Infant.
Jung Yean choi, Bong Sik Kim, Hyo Sup Ahn, Chang Yee Hong, Je Geun Chi, Shin Kwang Khang, Kae Yong Song
Clin Exp Pediatr. 1978;21(7):552-556.   Published online July 31, 1978
A 42 day-old male infant visited to our emergency room with chief complaints of convulsion. Prenatal and birth histories were unremarkable. The patient appeared well except persistent jaundice and had no signs of increased intracranial pressure. The head circumference at birth was not measured. The head circumference at 42 days was 39cm(50th percnntile) At the age of 42 days, tonic...
Original Article
Study of the Frank Vectorcardiogram of Congenital Heart Disease and Its Relationship to Hemodynamics
Jung Yean Choi
Clin Exp Pediatr. 1976;19(11):805-818.   Published online November 30, 1976
The Frank vectorcardiograms were taken in 86 cases of congenital heart diseases. (37 ventricular septal defect, 17 tetralogy of Fallot, 12 patent ductus arteriosus, 11 atrial septal defect of secundum type, 3 endocardial cushion defect and 6 dextrocardia). Vectorcardiographic findings of each congenital heart diseases were analysed and the relationship between hemodynamics and vectorcardiographic parameters were studied. The results were as...