Dr Donald McRobbie

Change to the pacemaker limit: what does it mean?

January 30, 2023

The 4th edition of the International Electrotechnical Commission (IEC) standard 60601-2-33 Medical electrical equipment – Part 2-33: Particular requirements for the basic safety and essential performance of magnetic resonance equipment for medical diagnosis published in 2022 has an updated ‘controlled access area‘. The previous edition defined this area as being enclosed by the 0.5 mT … More Change to the pacemaker limit: what does it mean?

Myths and maths in MR safety 3

December 14, 2021

Why the value of magnetic susceptibility doesn’t really matter #MRI #MRIsafety … More Myths and maths in MR safety 3

Myths and maths in MR safety 2

November 26, 2021

In MRI we have been using the wrong terminology for magnetic fields for decades. Does this matter? Find out here. … More Myths and maths in MR safety 2

Signal, contrast & CNR calculator SE app

September 30, 2021

MR signal, contrast and contrast-to-noise (CNR) calculaotr app. #MRI #MR physics #MReducation … More Signal, contrast & CNR calculator SE app

Myths and maths in MRI safety 1

August 6, 2021

Magnetisation and induction are responsible for all elements of MRI safety. #mrisafety … More Myths and maths in MRI safety 1

Rocket science in the rain

May 19, 2021

For those who attended the #ISMRM21 #SMRT21 scientific meeting Masterclass sessions MR Safety: from folklore to physics and wondering what the theme music is – here is Rocket Science in the Rain by Doctor D. It is used as the opening music for the Adelaide Fringe shows SWT_HM_ADL and Sweet Home S.A. The video shows … More Rocket science in the rain

From folklore to physics

May 16, 2021

MR physics masterclass @SMRT_ISMRM MR safety: from folklore to physics begins today. … More From folklore to physics

Medical physics and MRI