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Figure 1 Fast time-base recording of changes in Fluo-3 fluorescence, expressed as relative fluorescence units (rfu) and cell length (µm) of a single field-stimulated rat cardiomyocyte under basal conditions (control), during superfusion with postischemic coronary effluent (dilution 1:4) and during superfusion with fresh experimental buffer (washout). Effluent = postischemic coronary effluent.