您要查找的是不是：
- A premature contraction of the heart, resulting in momentary cardiac arrhythmia. 期外收缩心脏房室的过早心搏，导致短暂的心律不齐
- coronary nodal premature contraction 冠状窦结性过早收缩
- long pause following atrial premature contraction 房性过早收缩后长间歇
- occasional ventricular premature contraction 偶发性室性过早收缩
- ventricular premature contraction 室性期外收缩
- ventricular premature contraction grade 室性过早收缩分级
- ventricular premature contraction threshold 室性期前收缩阈
- junctional premature contraction 房室交界性期前收缩
- "Afraid not.She's in bad shape.Heart rate's 220 with occasional VPCs." She was referring to ventricular premature contractions, or abnormal and ineffective heartbeats. “恐怕没有，她的情况很糟，心率达到220并伴有偶发的心率失常”她已经出现心室早发收缩或者心率失常和心藏衰竭了。
- Lown ventricular premature contraction classification Lown室性过早搏动分级法
- ventricular premature contraction reduction criteria 室性过早收缩减少标准
- mild exercise-induced ventricular premature contraction 轻度运动引起的室性过早收缩
- The baby was five weeks premature. 这个孩子是提早五周生下来的。
- He ventured a premature opinion at the meeting. 他在会上大胆发表了一个不成熟的意见。
- "I'll" is a contraction of "I will". “I'll”是“I will”的缩写。
- She was a bit too premature in giving up this job. 她放弃这份工作似嫌太草率。
- Premature babies are kept alive in incubators. 早产婴儿放在保温箱里保育。
- A syndicate of local businessmen is bidding for the contract. 一个当地企业家的联合组织在向这一合同投标。
- This disease produces premature aging of the brain. 这种疾病使大脑过早衰老。
- It is impossible for him to get off the contract. 他不可能解除契约对自己的束缚。
