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Published: 2025-09-30
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DOI: https://doi.org/10.52852/tcncyh.v194i9.3908
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Vol. 194 No. 9 (2025)
Section
Các bài báo
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Hà, Đặng T. T., Quang, L. H., Hải, N. T., & Vân, Đặng T. H. (2025). 45. Clinical and electrocardiographic characteristics of ventricular thachycardia in children. Journal of Medical Research, 194(9), 450-459. https://doi.org/10.52852/tcncyh.v194i9.3908

45. Clinical and electrocardiographic characteristics of ventricular thachycardia in children

Dang Thi Thu Ha, Le Hong Quang, Nguyen Thanh Hai, Dang Thi Hai Van

Main Article Content

Abstract

Ventricular tachycardia (VT) in children is a dangerous arrhythmia with heterogeneous etiologies. This study aimed to describe the clinical and electrocardiographic characteristics of VT in pediatric patients at the Vietnam National Children’s Hospital from March 2019 to March 2025. A total of 63 patients with VT were evaluated, grouped as having idiopathic VT (58.7%) channelopathy-associated VT (19.1%) and others causes (22.2%). The mean age at diagnosis was 7.21 ± 4.25 years old (1.2 months - 15 years). Shock (34.9%) and fatigue (50.8%) were the most common symptoms. The median heart rate during VT was 189bpm (125 - 265bpm). Monomorphic VT was more frequent than polymorphic VT (76.2% vs. 23.8%), with polymorphic VT predominantly observed in patients with channelopathy -associated VT. Reduced left ventricular ejection fraction (LVEF) was mainly associated with sustained VT episodes. In summary, VT in children typically manifests after 5 years old and is predominantly idiopathic. Clinical manifestations vary by age group, with a high rate of circulatory compromise. Electrocardiographic characteristics of VT provide valuable clues to its etiology and prognosis, thereby facilitating appropriate diagnosis and therapy.

Article Details

Keywords

Ventricular tachycardia, electrocardiogram, children

References

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