Regadenoson Injection Prefilled Syringe 0.4 mg per 5mLRegadenoson is an intravenous medication used as a pharmacologic stress agent in myocardial perfusion imaging (MPI) for patients who are unable to exercise sufficiently. Acting as a coronary vasodilator, it increases blood flow to the heart, mimicking the effects of physical activity for diagnostic evaluation. Use Regadenoson is employed to help diagnose heart conditions by enhancing blood flow to the heart, aiding in the detection of coronary artery