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In the past, quality management (QM) in clinical radiation oncology medical physics has been prescriptive. AAPM task groups recommend parameters to test and with what frequency they should be tested for each piece of equipment or modality clinical use (eg TG-40, 53, etc.). As medical physicists, we look toward these documents for guidance in planning and executing our QA programs and accrediting agencies evaluate our programs based on our adherence to their recommendations. However, given the fast pace of emergent technologies and complex processes, national-consensus based prescriptive recommendations can no longer keep pace, thus AAPM TG100. AAPM’s TG-275 report incorporates the methodology from TG-100 for Physics Chart Checking.
TG-275 developed guidelines for physics plan and chart reviews based on a literature review, current practice survey, and performing a Failure Modes and Effects Analysis (FMEA). FMEA is a risk-based approach following the system engineering techniques described in TG-100. This presentation will include the objectives, methods and results of this practical approach to physics plan and chart checking.
Learning Objectives:
Compare and contrast prescriptive versus risk-based QA.
Introduce FMEA (Failure modes and Effects Analysis).
Illustrate results for Weekly Physics Chart Checks.