Measurement of the Radioactivity of Radiopharmaceuticals Tc-99m

As the ionizing radiations are used commonly both of the radio diagnostic and radio theraphy applications, both the employees and patients are exposed the harmful effects of the ionizing radiation. In this study, after the applications of 15-30 mCi Tc-99m injection at the Nuclear Medicine Unit of Amasya Sabuncuoğlu Şerafeddin Training and Research Hospital, the dose of radiation that has been occurred at the environment is examined according to the different parameters.