扑痫酮的新用途 Q-T间期延长综合征(LQTS)的特征是Q-T间期延长,运动或情感激动易诱发室速、室颤并导致昏厥、猝死。过去治疗常用静注利多卡因、溴苄胺以消除室性快速心律失常,试用钾盐、钙盐、毛花丙甙或苯妥英钠以缩短Q-T间期,也有用β-阻断剂抑制情感兴奋或活动引起的交感兴奋,但疗效均不理想。 New uses of epilepsy The Q-T prolongation Syndrome (LQTS) is characterized by prolonged Q-T interval, exercise or emotional agitation can easily induce ventricular tachycardia, ventricular fibrillation and lead to syncope, sudden death. The past treatment of intravenous infusion of lidocaine, brombenzyl amine to eliminate ventricular tachyarrhythmias, trial of potassium, calcium, grifola or phenytoin to shorten the QT interval, but also useful to suppress the emotional excitement with β-blocker Or activities caused by sympathetic excitement, but the effect is not satisfactory.