Figure 5: Outcomes by heparin status. Procedural outcomes, including TIMI-3 flow, and optimal procedural outcome, by heparin treatment status. Left pane compares Quartile 1 (0-30 minutes) of heparin pretreatment with Quartile 4 (>66 minutes) with respect to achievement of TIMI-3 flow (blue bars) and optimal procedural result (gray bars). Right pane compares patients receiving bolus dosing of heparin only with those receiving bolus and infusion.