Regadenoson cardiovascular magnetic resonance myocardial perfusion imaging predicts need for future revascularization by Freed Benjamin H, Turner Kristen M, Yodwut Chattanong, Tarroni Giacomo, Estep Emily, Bhave Nicole M, Narang Akhil, Tanaka Sara, Corsi Cristiana, Gayat Etienne, Czobor Peter, Cavanaugh Kevin, Lang Roberto, Mor-Avi Victor, Patel Amit R