右侧卧位Ⅱ度Ⅰ型房室传导阻滞在改变体位后,传导阻滞即消失的报道较少,现报告2例。例1,男,60岁,干部,因心悸、气促、心前区不适加重3个月入院。3年前曾诊为早期冠心病,心律失常。查体:心界不大,无震颤,心律不齐,偶有脱漏现象及期前收缩,A_2>P_2。心电图示窦性心律,右侧卧位为Ⅱ度Ⅰ型房室传导阻滞,运动、 Right lateral decubitus Ⅱ degree Ⅰ type atrioventricular block in the change of position, conduction block disappear less reported, 2 cases were reported. Example 1, male, 60 years old, cadres, due to heart palpitations, shortness of breath, precordial discomfort increased 3 months admitted to hospital. 3 years ago diagnosed as early coronary heart disease, arrhythmia. Physical examination: little heart, no tremor, arrhythmia, occasional leakage and premature contractions, A_2> P_2. ECG shows sinus rhythm, right lateral position Ⅱ degree Ⅰ type atrioventricular block, exercise,