右心室、右心房剖开可见起搏器金属线，延伸并嵌入隔膜。起搏器辅助心律失常病人维持正常心律。
The right ventricle and atrium are opened to reveal a pacemaker wire that extends to the apex to embed on the septum. Pacemakers aid in maintaining a rhythm in hearts prone to arrhythmias.
