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LV and RV specific threshold values for the differentiation between healthy controls and stage A versus subclinical dysfunction and between asymptomatic and symptomatic heart failure
| Parameters | Healthy or ‘at risk’ versus subclinical disease | Subclinical versus symptomatic disease | Clinically stable versus refractory heart failure |
|---|---|---|---|
| LVEF (%) | 57% | 42% | 35% |
| %normal LV myocardium | 76% | 46% | 14% |
| MAPSE (mm) | 12 | 8 | 5 |
| RVEF (%) | 58% | 48% | 32% |
| %normal RV myocardium | 80% | 50% | 9% |
| TAPSE (mm) | 23 | 19 | 15 |
