Patients come first!

Today we're scheduled to spend a whole day on radiotherapy machine quality assurance (QA), performing the monthly checks on a particular machine to ensure that we are operating within the approved procedures with which we're allowed to carry out radiotherapy. These checks include mechanical checks of the couch positioning and isocentres (laser, mechanical, radiation), dosimetric … Continue reading Patients come first!

X-MR Testing

It turns out the most important weapon in a radiation safety physicist's arsenal is.... Micropore tape! Many metres used in the 8 hours of testing of this biplane interventional system. It was a very cool piece of kit with arms that move both independently and together with an astonishing number of joysticks and buttons. Hopefully … Continue reading X-MR Testing

CT Big Pharma

Today we're learning about CT optimisation procedures. Getting to know the equipment you're using is the main gist. For example, different companies employ different methods for Automatic Exposure Control (AEC) e.g. by looking at maintaining constant noise in an image or having a reference mAs determined by a phantom for a standard sized phantom. Knowing … Continue reading CT Big Pharma