heart block

heart-block的词性：
n.（名词）

1. A condition in which faulty transmission of the impulses that control the heartbeat results in a lack of coordination in the contraction of the atria and ventricles of the heart.
传导阻滞：由于控制心跳的脉搏传导有缺陷而引起的导致心脏中心房和心室收缩不协调的病情