Physics Bucharest 2017

Three Levels of Action

• Level 1: Inspection Action • A sudden and significant deviation from the expected value not exceeding a tolerance level • Thresholds evolve from the QA data • Level 2: Scheduled Action • Deviations slightly exceeding tolerance • Clinical impact over the course of a few days not significant • Action should be scheduled within one or two working days • Level 3: Immediate Action • Exceeding tolerance has direct clinical impact • Stop treatment