Medical term:
quadrigeminy
qua·dri·gem·i·nal rhyth·m
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(s): quadrigeminy
Farlex Partner Medical Dictionary © Farlex 2012
quad·ri·gem·i·ny
(kwahd'ri-jem'i-nē)A cardiac arrhythmia in which every fourth beat is a premature contraction.
[L. quadrigeminus, fourfold]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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