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Definition of Quadrigeminy
1. Noun. A form of cardiac arrhythmia in which four beats are followed by a pause ¹
¹ Source: wiktionary.com
Medical Definition of Quadrigeminy
1. A 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: quadrigeminy. (05 Mar 2000)