Pairing; especially, the occurrence of heart beats in pairs. SYN: bigemini. [bi- + L. geminus, twin]
- atrioventricular junctional b. paired beats, each pair consisting of an AV nodal extrasystole coupled to a beat of the dominant, usually sinus, rhythm. SYN: nodal b..
- escape-capture b. paired beats, each couplet consisting of an escape beat followed by a conducted sinus beat or an escape beat followed by a conducted ectopic beat (usually atrial with retrograde P wave).
- nodal b. SYN: atrioventricular junctional b..
- reciprocal b. paired beats, each pair consisting of an AV nodal beat followed by a reciprocal beat.
- ventricular b. paired ventricular beats, the common form consisting of ventricular extrasystoles coupled to sinus beats.
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bi·gem·i·ny bī-'jem-ə-nē n, pl -nies the state of having a pulse characterized by two beats close together with a pause following each pair of beats
bi·gem·i·nal -ən-əl adj
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n.
the condition in which alternate ectopic beat of the heart are transmitted to the pulse and felt as a double pulse beat (pulsus bigeminus). It is a common manifestation of digitalis poisoning.
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bi·gem·i·ny (bi-jemґĭ-ne) [bi- + geminus] 1. occurring in pairs. 2. the occurrence of a bigeminal pulse. bigeminal adjMedical dictionary. 2011.