atrial bigeminy

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Related to atrial bigeminy: ventricular bigeminy

a·tri·al bi·gem·i·ny

pairing of atrial beats, as when an atrial extrasystole is coupled to each sinus beat.
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DIAGNOSIS: Sinus rhythm, atrial bigeminy with right bundle branch block (RBBB) type aberrant ventricular conduction of alternate atrial premature complexes (APCs), and Q waves of inferior and anterolateral myocardial infarcts of indeterminate age.