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| Scoring system | ECHO (gold standard) |
|
|---|---|---|
| HFrEF (EF ≤ 40%) | HFpEF (EF > 40%) | |
| HFrEF (+4 SD +6) | 19 | 1 |
| HFpEF (-1 SD +3) | 6 | 24 |
HFpEF: heart failure preserved ejection fraction; HFrEF: heart failure reduced ejection fraction.
