心律失常是小儿常见的疾患,不论是生理性的或病理性的,都比较多见,近年来由于这方面的进展较快,已经成为小儿心脏病学的一个分支,受到临床医师的重视。在儿科临床实践中,室上性心律失常是心律失常中最常见的类型,其中包括单纯的室上性早搏、逸搏、心房扑动、心房颤动、紊乱性心房节律、室上性阵发性心动过速等。室性心动过速,除代谢紊 Arrhythmia is a common disease in children, whether physiological or pathological, are more common in recent years because of the rapid progress in this area, has become a branch of pediatric cardiology, by clinicians attention. In pediatric clinical practice, supraventricular arrhythmias are the most common types of arrhythmia, including simple supraventricular premature beats, esophageal atrial flutter, atrial fibrillation, disturbed atrial rhythm, supraventricular paroxysmal Tachycardia and so on. Ventricular tachycardia, in addition to metabolic disorders