salvo premature beat

• 成串期前收缩

salvo premature beat的用法和样例：

例句

1. Long-term isoproterenol infusion also induced premature entricular contractions and atrioentricular heart block in junctin-null mice.
   长期异丙肾上腺素输入也可在连接素缺陷小鼠诱发室性期前收缩和房室传导阻滞。