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Exercise testing in asymptomatic severe AS.
| Positive if patient develops |
| • Symptoms |
| • Complex ventricular arrhythmias |
| • BP failed to rise by 20 mmHg |
| • Fall in systolic BP |
| • > 1 mm horizontal/downsloping ST ↓ |
| 2 yrs event free survival 19% if test is positive |
| 85% if test is negative |
| (Amato et al.13) |
