Diagnostic imaging physics
Diagnostic imaging physics is about getting useful clinical images while controlling risk, checking equipment performance and helping services use technology well.
What the work can involve
Imaging physicists may support services using x-ray, fluoroscopy, CT, MRI, ultrasound and other imaging technologies. The work can include quality assurance, image optimisation, radiation protection, equipment acceptance testing, protocol review, troubleshooting and advice to clinical teams.
IPEM describes medical physicists as being involved in systems used for looking at or measuring what is happening in the body, including x-rays, ultrasound, light, magnetic resonance imaging and nuclear medicine. In practice, diagnostic imaging physics often sits between physics, engineering, regulation and clinical workflow.
Image quality
Good images need enough signal and contrast to answer the clinical question. The physicist helps test and optimise the chain from equipment settings through reconstruction and display.
Safety and dose
Where ionising radiation is used, the work includes balancing diagnostic benefit with dose control, local procedures and regulatory expectations.
Service support
Departments need reliable scanners, clear QA records, incident learning, protocol reviews and practical advice when images or equipment behave unexpectedly.
How to explore the specialism
Applicants can prepare by learning the basics of image formation, detector performance, MRI safety, CT dose metrics and quality assurance. It is also useful to practise explaining a technical trade-off in plain English, because real work often involves helping non-physicist colleagues make safe decisions.
Compare radiotherapy and imaging physics
Source: IPEM medical physics overview.