title: Camera aperture to optimize data collection in nuclear medicine.
abstract: Collection of data with a large field of view camera can cause problems when a small organ like the heart is to be imaged, especially when high activity is used. A simple, inexpensive mask is described that solves most of these problems.
mesh_terms: D003625:Data Collection; D006801:Humans; D009203:Myocardial Infarction / Q000000981:diagnostic imaging; D011877:Radionuclide Imaging / Q000295:instrumentation*