Echocardiographic and Echo-PIV differences according to pacing models
| Echocardiography | Sinus rhythm | RVA-pacing | P value |
| Heart rate (bpm) | 62±5 | 67±11 | 0.29 |
| LV end-diastolic volume (mL/m2) | 67±12 | 68±11 | 0.12 |
| LV end-systolic volume (mL/m2) | 28±6 | 29±6 | 0.039 |
| LV ejection fraction (%) | 58±6 | 56±6 | 0.042 |
| LV GLS (%) | 17±3.3 | 11±2.8 | 0.004 |
| Echo-PIV | |||
| KE-dissipation, diastolic (mJ) | 8.35±6.7 | 11.26±8.7 | 0.043 |
| KE-dissipation, systolic (mJ) | 7.11±3.5 | 9.43±5.3 | 0.016 |
| Blood flow momentum (°) | 27.47±3.3 | 34.43±7.6 | 0.016 |
EF, ejection fraction; Echo-PIV, echocardiographic particle image velocimetry; GLS, global longitudinal strain; KE, kinetic energy; LV, left ventricle; RVA, right ventricular apical.