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Figure 1 Coronary blood flow velocity patterns in patients with reperfused acute myocardial infarction with Thrombolysis In Myocardial Infarction flow grade 2 (TIMI-2 flow). These two patients showed TIMI-2 flow after a successful coronary intervention. (Left) Systolic flow reversal (SFR) is observed in systolic followed by rapid diastolic flow, with a steep deceleration slope. (Right) SRF is not observed. Very slow anterograde flow was found throughout one cardiac cycle. Diastolic flow deceleration was gentle.