Figure 5. Assessment of LV Ischemic Burden.
Comparison of qualitative interpretation and perfusion reserve analysis: unlike perfusion reserve analysis, qualitative interpretation cannot detect the difference in ischemic burden (percent left ventricular [LV] ischemia [mean ± SE]) that is present in patients with single-vessel (1V) coronary artery disease (CAD) (blue bars) or triple-vessel (3V) CAD (gold bars).