| Signs/symptoms | 0 | 1 | 2 | 3 |
|---|---|---|---|---|
| Orthopnoea | None | Seldom | Frequent | Continuous |
| Jugular venous distention (cmH2O) | ≤6 | 6–9 | 10–15 | ≥ 15 |
| Oedema | Absent/trace | Slight | Moderate | Marked |
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