Reprinted from the American Heart Journal, v. 143, Kramer CM, Malkowski MJ, Mankad S, Theobald TM, Pakstis DL, Rogers WJ. Magnetic resonance tagging and echocardiographic response to dobutamine and functional improvement after reperfused myocardial infarction, 1046-1051, Copyright 2002, with permission from Elsevier.