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Figure 4 Pie charts comparing the frequency of functional recovery at follow-up (A) or contractile improvement with dobutamine (B) in the three groups of segments defined on the basis of changes in myocardial contrast echocardiographic pattern between day 0 and day 9. CR+ (CR) = presence (absence) of contractile reserve. (A) Open = recovery; solid = no recovery. (B) Open = CR+; solid = CR.
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