J wave syndromes in children: a case report and literature review

VernacularTitle:儿童J波综合征1例报告并文献复习
Author: Jian ZHAO ¹ ; Yun LI ; Tingting XIAO ; Lijian XIE ; Jianyi WANG ; Xunwei JIANG
Author Information

1. 上海市儿童医院上海交通大学附属儿童医院心内科
Keywords: J wave syndromes; Syncope; Malignant arrhythmias
From: Journal of Clinical Pediatrics 2018;36(5):364-366
CountryChina
Language:Chinese
Abstract: Objective To explore clinical characteristics of J wave syndromes. Methods Clinical data was retrospectively analyzed in a child with fainting and showing big J wave in ECG. Meanwhile, related literatures were reviewed. Results A 10-year-old boy was admitted to hospital with fainting. ECG showed J point up, reflecting Osbron wave. There was no abnormality in EEG and cranial CT. Ultrasound cardiograph showed approximately normal heart structure and left ventricular systolic function. Fainting was frequently occurred during follow-up and accompanied by malignant arrhythmia. Conclusions Patients with J wave syndromes has high risks of malignant arrhythmia and sudden cardiac death.