特发性长QT综合征(LQTS)是一种少见的疾病,它常常影响青少年和儿童。患者可以有心电图改变,并且容易发生晕厥和突然死于心律失常。充分治疗可以明显改善患者的预后。因此,LQTS的早期确诊有重大 Idiopathic long QT syndrome (LQTS) is a rare disease that often affects adolescents and children. Patients can have ECG changes, and prone to syncope and sudden death from arrhythmias. Adequate treatment can significantly improve the prognosis of patients. Therefore, the early diagnosis of LQTS is significant