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Normal and non-ischemic segments (supplied by vessels with <50% diameter stenosis) had significantly higher strain and strain rate response during inotropic stimulation compared to ischemic segments (a and c, p<0.001 for both). Furthermore, ischemic segments without new/worsening WMA during stress had significantly higher strain/strain rate response compared to those with new/worsening WMA (b and d, p<0.001).
