Click on image to view larger version.

Figure 3 Individual data of collateral flow index (CFI; vertical axis, left-hand side) and the ST segment shift (normalized intracoronary electrocardiographic [ECG] ST shift; vertical axis, right-hand side) during the three subsequent 2-min coronary artery occlusions (horizontal axis) for the patients receiving i.c. adenosine (2.4 mg/min, panel A) and for those receiving normal saline (NaCl, panel B). The filled symbols with vertical lines indicate mean values ± SD.