URL:https://4.bp.blogspot.com/-1EG7ve1av6k/WCoFpuD4LkI/AAAAAAAAHzM/pWr5pmnz-RIZU81rOZpX787sTs3pYNozgCLcB/w1200-h630-p-k-no-nu/37%29+SECOND+DEGREE+AV+BLOCK+-+TYPE+1.jpg
掲載元:https://ecg-educator.blogspot.com/2016/11/second-degree-av-block-mobitz-type-i.html