bradycardia

名词 bradycardia:

1. abnormally slow heartbeat

brad.y.car.di.a

n.（名词）
Slowness of the heart rate, usually fewer than '0 beats per minute in an adult human being.
心搏缓慢：心律缓慢，通常指成人心跳低于'0次每分钟

来源：
brady-
brady-
Greek kardia [heart] * see cardia
希腊语 kardia [心脏] *参见 cardia

【引伸】
brad.ycar.dic