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Comparison of intraoperative biventricular-paced QRS durations between preferred and non-preferred coronary sinus branches for LV lead implantation in group 1
| Preferred CS branch (n=40) | Non-preferred CS branch (n=72) | P value | |
|---|---|---|---|
| BiV-paced QRS duration, msn | 139.45±10 | 157±10 | <0.001 |
LV - left ventricular; CS - coronary sinus
