Scott WilliamsNuclear MedicineGeneral NucMedGeneralScott WilliamsApr 2, 2002General Nuclear Medicine Generators Radiopharmaceutical Quality Control Sterility Chemical Purity Radionuclide Purity Radiochemical Purity Geiger Counter: Dose Calibrator: Constancy Linearity Accuracy Geometry Gamma Camera Characteristics: Spatial resolution Sensitivity Temporal resolution Collimators: Resolution and Sensitivity Types of Collimators: Parallel hole Converging and Diverging Pinhole Camera Quality Control SPECT Imaging: Field Uniformity Center of Rotation Detector Alignment Patient motion Tomographic Reconstruction: Attenuation Correction Filtered back-projection Iterative reconstruction Object Size Correction (Finite resolution effects) Agents and Critical OrgansLatest in General NucMedGeneralFebruary 1, 2010SponsoredRegister Now: Breaking Barriers in Breast Imaging WebinarOctober 7, 2025Related StoriesGeneral NucMedGeneral Nuclear Medicine