Long QT syndrome speeds up heartbeats, and can cause fainting.
QT间期延长综合症会加速心跳，导致昏厥。
Congenital long QT syndrome is a group of familial inherited disease.
先天性Q- T间期延长综合征是一组家族遗传性疾病。
Specific ion channel mutations underline the congenital long QT syndrome (LQTS).
特定离子通道的基因突变是产生遗传性长qt综合征的基础。
Objective To explore SCN5A gene mutations in Chinese patients with congenital long QT syndrome type 3 (LQT3).
目的研究中国人遗传性长QT综合征3型（LQT3）相关基因SCN5A突变情况。
Objective To study the clinical manifestations and gene mutations of Chinese long QT syndrome (LQTS) patients.
目的研究我国长qt综合征(LQTS)病人的临床特征和基因突变特点。
Objective: To analyse EKG QT dispersion in pediatric patients with idiopathic long QT Syndrome and its change after treatment.
目的分析特发性长q t间期综合征患儿心电图QT间期离散度及其治疗后的改变。
What's particularly special about these cells is that they came from a patient with one of the inherited forms of long QT syndrome.
这些细胞最特别之处在于，它们来自于一位遗传性QT间期延长综合症患者。
For unknown reasons, people with long QT syndrome can go without symptoms for years, and then suddenly drop dead from cardiac arrest.
不知为何，QT间期延长综合症患者可以许多年毫无症状，而后突然死于心停跳。
This causes what we call Long QT syndrome, where the length of the heart beat is longer than usual, which greatly increases the risk of arrhythmia.
这可导致所谓的长Q-T综合症。此时心律的长度较正常时延长，可大大增加心律失常的风险。
Objective to assess the feasibility, safety and effectiveness of video-assisted thoracoscopic sympathectomy (VATS) for the treatment of congenital long QT syndrome.
目的探讨经电视胸腔镜切除左胸交感神经治疗先天性QT间期延长综合征的方法和效果。
Objective To observe the QT interval changing during exercise testing in patients with children's long QT syndrome (LQTS), and uo explore the new diagnosis methods of LQTS.
目的观察儿童先天性长qt综合征(LQTS)患者进行运动试验时QT间期的变化。
Objective To explore the mechanism of the left cardiac sympathetic denervation (LCSD) surgery to reduce the incidence of cardiac events for long QT syndrome (LQTS) patients.
目的探讨左心交感神经切除术（LCSD）降低长QT综合征（LQTS）患者心脏事件发生率的机制。
Another source of information is genetic. Long QT syndrome is caused by defects in ion channels, proteins that maintain heartbeat by controlling the flow of ions across the membrane of heart cells.
长qt综合征的另一个来源是遗传，长qt综合症是由离子通道的变异引起的，蛋白质通过控制离子流经细胞薄膜来维持心跳。
Methods We screened a family affected by long-QT syndrome type 1 and identified an autosomal dominant missense mutation (R190Q) in the KCNQ1 gene.
方法：筛选出患长qt综合征1型的家庭成员，并鉴定KCNQ1基因中一个常染色体显性遗传突变基因(R190 Q)。
Background— Long-QT syndrome (LQTS) is a potentially lethal cardiac channelopathy that can be mistaken for palpitations, neurocardiogenic syncope, and epilepsy.
背景长-QT综合征（LQTS）是一种潜在的致命性心脏的离子通道病，容易被误认为是心悸，神经心源性晕厥或者癫痫。
In long-QT syndrome type 1, mutations occur in the KCNQ1 gene, which encodes the repolarizing potassium channel mediating the delayed rectifier IKs current.
在I型QT延长综合征中，KCNQ1基因发生突变，对介导延迟整流钾通道电流的复极化钾通道进行编码。
In long-QT syndrome type 1, mutations occur in the KCNQ1 gene, which encodes the repolarizing potassium channel mediating the delayed rectifier IKs current.
在I型QT延长综合征中，KCNQ1基因发生突变，对介导延迟整流钾通道电流的复极化钾通道进行编码。
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