title: Letter from the guest Editor: update in Cardiovascular Nuclear Medicine (Part II).
authors.affiliation: Division of Nuclear Medicine, Department of Radiology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY. Electronic address: mtravin@montefiore.org.
authors.forename: Mark I
authors.initials: MI
authors.lastname: Travin
mesh_terms: D000818:Animals; D006801:Humans; D055414:Myocardial Perfusion Imaging / Q000379:methods*; D049268:Positron-Emission Tomography / Q000379:methods*