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Calculated sensitivity, specificity, negative predictive value and positive predictive value of using the IMPULSE algorithm in those with low or intermediate TTE probability
| Low TTE probability (%) | Intermediate TTE probability (5) | |
|---|---|---|
| Sensitivity | 44 | 46 |
| Specificity | 93 | 82 |
| NPV | 74 | 39 |
| PPV | 80 | 86 |
