释义 |
quadrigeminy qua·dri·gem·i·nal rhyth·ma cardiac arrhythmia in which the heartbeats are grouped in fours, each usually composed of one sinus beat followed by three extrasystoles, but a repetitive group of four of any composition is quadrigeminal. Synonym(s): quadrigeminyquad·ri·gem·i·ny (kwahd'ri-jem'i-nē) A cardiac arrhythmia in which every fourth beat is a premature contraction. [L. quadrigeminus, fourfold] |