quadrigeminal rhythm
n.
A cardiac dysrhythmia in which heartbeats occur in groups of four, usually composed of one sinus beat followed by three extrasystolic beats.
Words nearby quadrigeminal rhythm
quartz movement,
quartz plate,
quartz-iodine lamp,
quartziferous,
quartzite,
quadrigeminal rhythm,
quasars,
quash,
quasheba,
quashee,
quashi