fig3

Figure 3. Intraoperative graft assessment flow chart (modified from Di Giammarco et al.[6]). HR-US: Epicardial high-resolution ultrasonography; TTFM: transit-time flow measurement; MGF: mean graft flow; PI: pulsatility index.
Figure 3. Intraoperative graft assessment flow chart (modified from Di Giammarco et al.[6]). HR-US: Epicardial high-resolution ultrasonography; TTFM: transit-time flow measurement; MGF: mean graft flow; PI: pulsatility index.
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