Table 4.
Criteria to diagnose STEMI in presence of LBBB.
| Criteria | Score | |
|---|---|---|
| 1 | ST-elevation ≥ 1 mm and concordant with QRS complex | 5 |
| 2 | ST-segment depression ≥ 1 mm in lead V1, V2, or V3 | 3 |
| 3 | ST-elevation ≥ 5 mm and discordant with QRS complex | 2 |
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