When do you order an MRI in stroke? This is absolutely unclear – at least to me. We certainly know that MRI is way better than CT for practically everything, but in which situation does MRI add benefit to a patient that already has a CT? Does it help to time anticoagulation? When do you use it to identify the stroke pattern? How often does it surprise you with things like vasculitis?
Regardless of these questions, we do invoke MRI in about half of our patients. So we better know how to read them and this is what we did in today’s session: use our PACS viewer (in this case ImPaxx), review the standard sequences of stroke MRI, talk about DWI, ADC, FLAIR, SWI, blade and so on.