| 释义 |
DictionarySeebeatretrograde beat
ret·ro·grade beata beat occurring as an electrical activation of a portion of a heart chamber cephalad to the chamber of origin, for example, an atrial beat triggered by an impulse originating in the ventricle.ret·ro·grade beat (ret'rō-grād bēt) A beat occurring as an electrical activation of a portion of a heart chamber cephalad to the chamber of origin, e.g., an atrial beat triggered by an impulse originating in the ventricle. |