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Figure 3 Final infarct size at 30 days in patients undergoing primary percutaneous coronary intervention for acute myocardial infarction with or without endovascular cooling (measured using ^99mTc-sestamibi single photon emission computed tomography imaging). Infarct size is shown according to initial Thrombolysis In Myocardial Infarction (TIMI) flow grade in the infarct vessel (• = assigned infarct size for patients who died; = median infarct size for group). LV = left ventricle.