Table 1 Sensitivity and specificity of R/QR waves to predict myocardial viability
R waves | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|
Anterior Any R (≥ 2 leads) | 96.5 | 11.7 | 85.0 | 40.0 |
Any R (≥ 3 leads) | 89.7 | 17.6 | 84.9 | 25.0 |
Inferior Any R (≥ 2 leads) | 94.3 | 0.0 | 83.0 | 0.0 |
Any R (≥ 3 leads) | 82.9 | 5.8 | 82.0 | 6.2 |
Lateral Any R (≥ 2 leads) | 100.0 | 0.0 | 95.2 | 0.0 |
Any R (≥ 3 leads) | 95.0 | 20.0 | 95.9 | 16.6 |
QR waves | SENSITIVITY (%) | SPECIFICITY (%) | PPV (%) | NPV (%) |
Anterior Any R (≥ 2 leads) | 48.0 | 33.3 | 66.6 | 18.7 |
Inferior Any R (≥ 2 leads) | 80.0 | 0.0 | 66.6 | 33.3 |
Lateral Any R (≥ 2 leads) | 85.7 | 0.0 | 85.7 | 0.0 |