| 2D | 2-dimensional |
| CAD | coronary artery disease |
| CI | confidence interval |
| FOV | field of view |
| GLS | global longitudinal strain |
| ICC | intraclass correlation coefficient |
| LV | left ventricle |
| LVEF | left ventricular ejection fraction |
| Reg-FR | regular (conventional) frame rate |
| rHi-FR | relatively high frame rate |
| STE | speckle-tracking echocardiography |
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