单向阻滞 meaning in Chinese

unidirectional block

Fold return formation postulate to be : heart somewhere or much place are one - way block sluggish ; impulse is conducted in another way slow ; defer of cardiac muscle of yuanduan of place of block sluggish is excited ; place of block sluggish carries cardiac muscle nearly again excited
折返形成的基本条件为：心脏某处或多处单向阻滞；冲动在另一途径传导缓慢；阻滞部位远端心肌延迟激动；阻滞部位近端心肌再激动。