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Figure 2 (A) Median time from symptom (sx) onset to treatment stratified by Thrombolysis In Myocardial Infarction myocardial perfusion grade (TMPG) at 60 min; (B) percent of patients with TMPG 2 or 3 at 60 min stratified by presentation >4 h from symptom onset versus 4 h from symptom onset; (C) blush brightness (gray scale) stratified by presentation >4 h from symptom onset versus4 h from symptom onset. DSA = digital subtraction angiography.