A quantitative imaging system (100) for automating delivery of a radiopharmaceutical and imaging a patient. The system (100) includes a QI controller (102) that controls the operation of the system. The system (100) includes a producer (104) for creating a radiopharmaceutical and a synthesizer (106) to synthesize the radioisotope with a biologically compatible material to form the radiopharmaceutical. The system (100) includes a dosimeter (110) to measure and timestamp the concentration measurement of the radiopharmaceutical and an injector (112) to deliver the radiopharmaceutical into the patient. The system (100) includes an imaging apparatus (114) to image the patient. The QI controller (102) uses the timestamp of the concentration and decay characteristics to adjust imaging data. The system includes aquantitative analyzer (116) to calculate parametric images and quantitative values from the collected data.