Processes quality images to ensure accurate and timely interpretation by the radiologist by correctly labeling images with correct date, patient name, radiopharmaceutical, dosage, and properly storing images via Picture Archival Communication System (PACS) ensuring correct patient matching. Prepare patients for placement of Electrocardiogram (ECG), recognizing and responding to any Electrocardiogram (ECG) changes, Recognizing the parameters that indicate termination of cardiac stress study, and Electrocardiogram (ECG) patterns that are appropriate for image gating.