Key result
Apparent biventricular pacing via the great cardiac vein was revealed by surface ECG analysis to actually be dual-site right ventricular pacing.
Surface ECG review may distinguish true biventricular from inadvertent dual-site right ventricular pacing; this case report leaves open its prevalence and clinical impact.
Cardiac desynchronization therapy has established benefits in the management of symptomatic heart failure patients, although left ventricular lead placement remains challenging. We present a case report involving apparent biventricular pacing via the great cardiac vein, which through an appreciation of the surface ECG, revealed dual site right ventricular pacing.
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Kistler et al. (2003) studied this question. Apparent biventricular pacing via the great cardiac vein was revealed by surface ECG analysis to actually be dual-site right ventricular pacing.
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