In an earlier blog post I raised the issue of the need for professional and academic prerequisites for certification as a MR Safety Expert. Now the Australasian College of Physical Scientists and Engineers in Medicine (ACPSEM), the professional body responsible for the training, scope of practice, professional conduct, qualifications, and continuing education of medical physicists … More ACPSEM MR Safety Expert Certification
Gradient echo (GE, GRE, FLASH, SPGR, T1-FFE, FE) is one of the hardest elements of MRI to understand. Image signal and contrast in spoiled gradient echo depends upon three user-selected parameters: Flip angle <90º TR – repetition time, typically > 10 ms TE – echo time, typically > 2 ms Signal and contrast also depend … More Gradient echo signal and contrast
First choose tissue T1 and T2 values. Then select your scanning TR, TE and flip angle. You can also set a field inhomogeneity factor. The calculator uses an estimated value of T2* based upon this and the tissue T2. The graph shows the signal intensity (max = 1) for both tissues, the contrast and the … More Gradient echo signal and contrast calculator
Engineering and Physical Sciences in Medicine, Adelaide, 28 October 2018 I was delighted to convene this pre- conference workshop at the Royal Adelaide Hospital on behalf of the Australasian College of Physical Scientists and Engineers in Medicine. A full capacity audience heard presentations from leading local MR professionals- all with the focus of encouraging collaboration … More MR Physics Workshop
First choose tissue T1 and T2 values. Then select your scanning TR and TE (for spin echo) The graph shows the signal intensity (max = 1) for both tissues, the contrast and the relative contrast to noise ratio (CNR). The calculator currently works on computers and Android devices only.