bigeminal rhythm


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Related to bigeminal rhythm: coupled rhythm, trigeminy

bi·gem·i·nal rhyth·m

that cardiac rhythm when each beat of the dominant rhythm (sinus or other) is followed by a premature beat, with the result that the heartbeats occur in pairs (bigeminy).
Synonym(s): coupled rhythm

bigeminal rhythm

Etymology: L, bis + geminus, twin; Gk, rhythmos
an abnormal heartbeat in which ectopic ventricular or atrial beats alternate with and are precisely coupled to sinus beats, or in which ventricular ectopic beats occur in pairs, as in ventricular tachycardia with 3:2 exit block. Also called bigeminy, coupled rhythm.

bi·gem·i·nal rhythm

(bī-jem'i-năl ridh'ŭm)
Cardiac rhythm in which each beat of the dominant rhythm (sinus or other) is followed by a premature beat, with the result that the heartbeats occur in pairs (bigeminy).
Synonym(s): coupled rhythm.

bigeminal rhythm

The coupling of extrasystoles with previously normal beats of the heart.
See: bigeminal pulse
See also: rhythm
References in periodicals archive ?
This produces a bigeminal rhythm, and here the short R-R interval is followed by a QRS complex with aberrant ventricular conduction of the right-bundle-branch-block type.
A repetitive pattern, or group beating, of which a bigeminal rhythm is the simplest example, has many causes, which include most of the abnormalities of impulse formation and impulse conduction (4).
Her electrocardiogram (Figure) shows a rapid ventricular rate and bigeminal rhythm.