释义 |
atrial fusion beat a·tri·al fu·sion beata beat that occurs when the atria are activated in part by the sinus impulse and in part by an ectopic or retrograde impulse from A-V junction or ventricle.atrial fusion beatn. A pulsation occurring when the atria of the heart are activated partly by a sinus impulse and partly by a retrograde impulse from the atrioventricular node or ventricle.a·tri·al fu·sion beat (ā'trē-ăl fyū'zhŭn bēt) A beat that occurs when the atria are activated in part by the sinus impulse and in part by an ectopic or retrograde impulse from A-V junction or ventricle. |