小儿室上性心动过速(简称室上速-SVT)并不少见,发作时患儿自觉症状较重,如不及时处置常可见续发心衰。本文重点讨论小儿室上速的诊断及治疗。一、病例介绍(见附表) 5例病人6例次发作均系学龄期儿童,平均年龄9岁。主诉心难受、心悸。发病短 Infantile supraventricular tachycardia (referred to as supraventricular tachycardia - SVT) is not uncommon, the onset of symptoms in children with severe, if not timely treatment often see the recurrence of heart failure. This article focuses on the diagnosis and treatment of infantile ventricular tachycardia. First, the case description (see table) 5 cases of 6 patients were secondary episodes of school-age children, mean age 9 years old. The main complain heart palpitations. Short onset