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- ISSN
- 1941-3149
- eISSN
- 1941-3084
- DOI
- 10.1161/CIRCEP.107.753194
- pmid
- 19043599
- Publisher site
- See Article on Publisher Site
Abstract
Images and Case Reports in Arrhythmia and Electrophysiology Electrocardiographic Imaging of Ventricular Bigeminy in a Human Subject Yong Wang, MS; Li Li, MS; Phillip S. Cuculich, MD; Yoram Rudy, PhD entricular bigeminy refers to the appearance of paired the extrasystole. Such fusion beats are shown in the Figure Vdifferent ventricular complexes in the body-surface (B). In the top row, the initiation of paced activation ECG (Figure, A inset, lead V2). From this ECG morphol- precedes that of extrasystolic activation by 15 ms. This ogy, it has been inferred that bigeminy is generated by closely coupled biventricular activation increases electri- interaction between an extrasystolic beat and a regular cal synchronization and reduces the QRS duration to 100 periodic ventricular beat. The regular beat is typically ms. In the bottom row, the sequence is reversed, and the generated by sinus rhythm but could also be a paced extrasystole initiation precedes the paced beat by 10 ms, rhythm. The mechanism of ventricular bigeminy was with fusion beats of similar duration but different mor- inferred mainly on the basis of analysis of body-surface phology. These first ECGI images of bigeminy in a human 1,2 ECG signals. However, the ECG measures the reflection subject
Journal
Circulation: Arrhythmia & Electrophysiology – Wolters Kluwer Health
Published: Apr 1, 2008