| AKI | Acute renal injury |
| BNP | Brain natriuretic peptide |
| CRS | Cardiorenal syndrome |
| ESC | European Society of Cardiology |
| HF | Heart failure |
| HFmrEF | Heart failure with midrange ejection fraction |
| HFpEF | Heart failure with preserved ejection fraction |
| HFrEF | Heart failure with reduced ejection fraction |
| ID | Iron deficiency |
| IV | Intravenous |
| LVEF | Left ventricular ejection fraction |
| QoL | Quality of life |
| STfR | Soluble transferrin receptor |
| TSAT | Transferrin saturation |
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