N.BILLERICA, Mass.--(BUSINESS WIRE)--Lantheus Medical Imaging, Inc., a worldwide leader in diagnostic imaging, today announced that new data for the company’s echocardiography contrast agent DEFINITY® Vial For (Perflutren Lipid Microsphere) Injectable Suspension and its novel fluorine 18-labeled Positron Emission Tomography (PET) agent for myocardial perfusion imaging, BMS747158, will be presented in two separate poster presentations at the American College of Cardiology 58th Annual Scientific Session on March 29-31, 2009, in Orlando, Florida.