Abstract
This paper reviews the developments in tracking of patient exposures and dose after the earlier paper published in the same journal in 2011. A global survey in which 76 countries responded indicated strong interest in programme and another survey among referring physicians showed vast majority (71.7 %) of physicians expressing that awareness of previous history of CT scans would always or mostly lead them to a better decision on referring patients for CT scans. A sizable number of countries have system of assigning permanent ID to individuals and nearly half of them use this ID in medical records. This can easily permit tracking of exposures. Templates for tracking at different levels of health care have been provided, and experience from a country where tracking is routinely practised has been published.
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