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Frequent premature ventricular contractions (PVCs) have been associated with PVC-induced cardiomyopathy (CM) in some patients.The purpose of this study was to understand the cardiac consequences of different PVC burdens and the minimum burden required to induce left ventricular (LV) dysfunction.Right ventricular apical PVCs at a coupling interval of 240 ms were introduced at different PVC burdens...
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