Have you totally blocked out the entire time we were a couple?

你把我们谈恋爱时的 记忆都完全封闭了吗？

Third degree, or complete heart block, describes when the signal is completely blocked when moving from the atria to ventricles, every time.

三度房室传导阻滞，或称为完全阻滞，是指每个由心房向心室传导的电信号都被阻滞。