房性异位心律的观察已有过少量报道。这组心律失常至少说明其失常的位置象窦房结衰弱表现的形式。本文总结了54例异位房性心律患者的观察:左房心律7例,右房心律47例。在体力负荷(Master’s二阶梯,登车)、颈动脉窦按摩和注射阿托品前后进行了心电图记录。检查的患者中计女性19例,男性35例,年龄16岁以下15例,16—30岁18例,30岁 Observations of atrial ectopic rhythm have been reported in small quantities. This group of arrhythmias at least shows the location of its abnormal sinusoidosis like the performance of the form. This article summarizes the observation of 54 patients with ectopic atrial rhythm: left atrial rhythm in 7 cases, right atrial rhythm in 47 cases. Electrocardiographic recordings were performed before and after physical loading (Master’s second ladder, boarding), carotid sinus massage, and injection of atropine. Among the patients examined, 19 were female, 35 were male, 15 were under 16, 18 were 16-30, and 30 were 30