阵发性心动过速是临床上最为常见的一种快速性心律失常,可发生于任何年龄,病人多无器质性心脏病,其表现为突发突停,在不发作时与正常人无异。发作时心跳可达160次～250次/分。病人常感到心悸、胸闷,重者可有心绞痛和心力衰竭,或因脑缺血而致晕厥,严重地影响病人的健康和日常生活。以往对这些心律失常多选用药物治 Paroxysmal tachycardia is clinically the most common type of tachyarrhythmia can occur at any age, the patient had no organic heart disease, the performance of sudden sudden stop, when no attack with no normal different. Attack up to 160 beats up to 250 beats / min. Patients often feel heart palpitations, chest tightness, severe cases may have angina and heart failure, or syncope caused by cerebral ischemia, seriously affecting the patient’s health and daily life. In the past many of these arrhythmia drug treatment