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The Alpha score standards
| Letter | Risk factor | Score (if present) |
|---|---|---|
| A | Left atrial diameter (> 44.5 cm) | 1 |
| L | non-left bundle branch block | 1 |
| P | N-terminal pro-B-type natriuretic peptide (> 13.53 per 100 pg/ml) | 1 |
| H | high sensitivity C-reactive protein (> 2.87 umol/L) | 1 |
| A | NYHA IV | 1 |
| Max score | 5 |
