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The medical physics expert in radiology: role and tasks

In the course of the update of the Radiation Protection Act in January 2019, the medical physics expert must be involved in certain radiological examination procedures. This article provides a compact summary of which examination procedures these are and what other tasks a medical physics expert has.

Der Medizinphysik-Experte in der Radiologie

What does a medical physics expert do?

The Radiation Protection Act (StrlSchG) defines the medical physics expert in §5 Para. 24 as follows: A medical physics expert is a person with a master's degree in physics or a person with equivalent training in medical physics with a university degree, who in each case has the required expertise in radiation protection.

When do you need a medical physics expert?

According to the German Radiation Protection Ordinance, last updated as of January 2019, a medical physics expert is mandatory when persons are exposed to high doses of radiation during

  • radiodiagnostic examination procedures
  • interventional radiology applications

However, the regulation does not stipulate that the medical physics expert must be present at every examination. However, he must be consulted regularly for optimization and quality assurance of the application as well as for advice on radiation protection issues.

Medical physics expert for radiology

According to the Radiation Protection Ordinance, the medical physics expert has the responsibility for the dosimetry of persons on whom radioactive substances or ionized radiation are applied.

Other tasks of the medical physics expert in support of radiologists:

  • Optimization of radiation protection
  • Determination, implementation and monitoring of quality assurance
  • Control of the acceptance test
  • Monitoring of medical radiological equipment
  • Training of medical staff
  • Consulting on medical-radiological equipment
Tool for medical physics experts

Dose management systems for digital documentation

Radiologists can make the work of medical physics experts easier with software for digital dose management.

A dose management system receives the relevant information directly from the modalities or PACS and makes it available digitally for evaluation and assessment in accordance with the Radiation Protection Ordinance. 

Telepaxx offers the Domako dose management software as a service (SaaS) for this purpose.

Further information on radiation protection in radiology

Radiation protection in radiology in a nutshell

Our overview article on the Radiation Protection Act provides a compact summary of what radiologists need to know.

Reporting and information obligations according to the Radiation Protection Act

The whitepaper "Reporting and information obligations in radiology" offers a compact summary as well as a practical checklist.

Download Whitepaper

Dorian von Karsa Telepaxx Medical Data
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You have questions about Domako?

Feel free to contact me to learn more about how you can implement digital dose management in your medical facility using Domako dose management software.


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