1、The endocardiac pacemaker trails inevitably led to death from a recurred ventricular tachycardia.
输送到心房和心室的导管的道路导致了自发出现的心室扑动而导致的死亡。

2、The dysplastic endocardiac abnormality predicted an equally unfavorable prognosis.
畸形的心内膜异常预示着同样不利的预后。