Training activity information
Details
Calculate the effective doses from an accidental or unintended radiopharmaceutical exposure and an accidental or unintended CT exposure. Report the findings and recommend next steps
Type
Developmental training activity (DTA)
Evidence requirements
Evidence the activity has been undertaken by the trainee​.
Reflection on the activity at one or more time points after the event including learning from the activity and/or areas of the trainees practice for development.
An action plan to implement learning and/or to address skills or knowledge gaps identified.
Considerations
- IRMER guidance
- Dose calculation (ARSAC NfG and CT conversion factors)
- Incident reporting
- Significant accidental or unintended exposures (SAUE) and clinically significant accidental or unintended exposures (CSAUE)
- Duty of candour
- Accountability
Reflective practice guidance
The guidance below is provided to support reflection at different time points, providing you with questions to aid you to reflect for this training activity. They are provided for guidance and should not be considered as a mandatory checklist. Trainees should not be expected to provide answers to each of the guidance questions listed.
Before action
- What is your understanding of the methodologies used to calculate effective dose for both radiopharmaceuticals and CT, and which specific scenarios for accidental exposure have you selected to focus your analysis on?
- What information is currently available to you, and what assumptions regarding exposure parameters will you need to make to ensure your calculations are as accurate as possible?
- What specific insights do you hope to gain regarding the magnitude of doses from different types of incidents and the fundamental importance of accurate dose calculation in effective incident management?
- Thinking about what you already know regarding radiation physics and effective dose, how familiar are you with the specific dose coefficients and conversion factors required for these complex calculations?
- Have you discussed this activity with your training officer to ensure a clarity of understanding regarding the required level of detail, the expected report format, and the recommendations you are expected to provide?
- What possible challenges do you anticipate and how have you planned to handle these to ensure the accuracy of your final report?
- How do you feel about embarking on this training activity, and do you feel technically and emotionally prepared to apply radiation dosimetry principles to these hypothetical safety incidents?
In action
- Pay attention to your actions.
- How are you identifying the necessary parameters (e.g., activity, administered route, exposure conditions) for the dose calculations?
- Why are you choosing these specific parameters?
- What decisions are you making about the appropriate calculation methodologies and dose conversion factors?
- What aspects of dose calculation feel intuitive based on your knowledge, and what requires more conscious effort in applying the correct formulae or referencing data tables?
- How confident are you in the accuracy of your data input and calculations?
- What challenges are you facing in finding the necessary information or applying the correct calculation methods?
- What can you learn about the relative contributions of different exposure scenarios to effective dose as you perform these calculations?
- Are there alternative sources of information or calculation tools you could consult if you encounter difficulties?
- What support or guidance might you need if you are unsure about the interpretation of your results or the recommendation of next steps?
- Are you considering the implications of the calculated doses for the individuals involved, as expected in the case of accidental exposures?
On action
- What were the specific details of the accidental or unintended radiopharmaceutical and CT exposures that you were asked to calculate?
- What methods or tools did you use to calculate the effective doses?
- What were the calculated effective doses for each scenario?
- What factors had the most significant impact on the calculated doses?
- How did you structure your report of the findings and recommendations?
- What did you learn about how to calculate effective doses from different types of radiation exposures?
- How does this activity relate to the principles of radiation protection and the estimation of radiation doses to the public, healthcare professionals, and patients?
- What are the potential consequences of accidental or unintended radiation exposures?
- What considerations are important when reporting findings and recommending next steps in such situations?
- How does this activity connect to contingency planning and emergency scenarios?
- How will this experience inform your understanding of the potential impact of errors or accidents involving radioactive materials or x-rays?
- How will you contribute to preventing such incidents in the future?
- What would be the key elements of your immediate response if you were involved in or witnessed a similar event?
- What further training or resources might be helpful to enhance your skills in dose calculation and incident management?
Beyond action
- Since revisiting your initial calculations and reports for this activity, how has your understanding of effective dose and the technical consequences of unintended exposures evolved?
- Have you encountered real-life clinical scenarios or case studies that have either reinforced or challenged the understanding of accidental exposures you developed during this training activity?
- Through discussions with a Radiation Protection Adviser (RPA) or senior colleagues, how has their feedback on your approach and recommendations transformed your view of incident management?
- How has this activity deepened your appreciation for adhering to strict protocols? Can you identify specific ways it has improved your ability to recognise and prevent potential unintended exposures in your daily practice?
- In what ways has this experience increased your confidence when discussing the principles of radiation dosimetry and associated risks with other healthcare professionals?
- How has your work on consequence analysis specifically prepared you for the observed “in-person” assessments for this module, such as Case-based Discussions or Observed Communication Events related to patient safety?
- Which transferable skills have you developed that will be most valuable in your future responsibilities?
- What specific resources have you identified to ensure you continue to refine your expertise in radiation dosimetry and emergency preparedness?
Relevant learning outcomes
| # | Outcome |
|---|---|
| # 1 |
Outcome
Interpret, apply and audit adherence to the Ionising Radiation (Medical Exposures) Regulations (IRMER) and related guidance in the Nuclear Medicine environment. |
| # 5 |
Outcome
Estimate incidental, occupational and medical radiation doses to the public, healthcare professionals, patients and their carers and comforters. |