房室结双径路内Ｂ型交替性文氏周期李忠杰（浙江省人民医院杭州３１００１４）１临床资料及食管电生理分析患者男性，３１岁。阵发性心悸两年，每次发作数分钟至１小时后自行终止。临床检查无器质性心脏病证据，常规心电图示左室高电压，为明确诊断行食管电生理检查。程控... Atrioventricular nodal pathways within the B-type alternating Venturi cycle Li Zhongjie (Zhejiang Provincial People’s Hospital, Hangzhou 310014) 1 clinical data and electrophysiological analysis of patients male, 31 years old. Paroxysmal palpitations for two years, each attack a few minutes to one hour after the termination of their own. Clinical examination without organic evidence of heart disease, conventional ECG left ventricular high voltage, to confirm the diagnosis of esophageal electrophysiology. Program control ...