本综述系统阐述了结构性正常心脏儿童群体中室上性心律失常（SVT）的流行病学特征、临床表现、发病机制及管理策略。重点分析了再入性回路（如AVRT、AVNRT）与自律性增高两大主要机制，强调腺苷（Adenosine）在诊断与治疗中的双重价值，并指出婴幼儿SVT多具自 ...

Atrioventricular nodal reentrant tachycardia (AVNRT) is a common supraventricular arrhythmia that arises due to a reentrant circuit located in or near the atrioventricular node. This condition ...

本综述首次系统评价了脉冲电场消融（PFA）这一非热能消融新技术在阵发性室上性心动过速（PSVT）治疗中的应用。分析显示PFA ...

Introduction: Atrioventricular nodal reentrant tachycardia (AVNRT) is one of the most common regular supraventricular arrhythmias referred for catheter ablation (CA). In Poland, several families with ...

Prog Cardiovasc Nurs. 2005;20(1):24-31. According to the site of origin of the impulse, the two classifications of SVT are atrial tachyarrhythmia and AV tachyarrhythmia. Atrial arrhythmias include ...

This is a narrow QRS complex tachycardia with a very fast heart rate (about 250 beats per minute). It is quite difficult to indentify any P wave activity to determine the exact etiology. Most commonly ...

The His bundle electrograms are marked, particularly the more proximal ones (large atrial electrograms with smaller His electrograms). The roof and floor of the coronary sinus are then tagged. The ...