Their heart rates slowed down, P R and Q T intervals prolonged and blood pressure reduced after exposure, as compared with those before exposure.

工人接触后心电图指标与接触前自身比较，出现心率减慢、PR间期和QT间期延长及血压下降。

youdao

People with heart failure tend to gain weight because fluids build up when the heart can't pump enough blood.

VOA: standard.2010.06.04

The name of the molecule isn't important, but it's a molecule that stimulates the heart to produce new blood vessels around it.

这种分子的名字无关紧要,但要知道它能刺激,在病变血管周围生成新血管

耶鲁公开课 - 生物医学工程探索课程节选