“…[19][20][21] The resulting patients (n ϭ 31) were then submitted for the staff neuroradiologists' review as long as SWI, FLAIR, and DWI were performed, which were standard sequences in all of our brain MR imaging protocols. Additionally, we reviewed each patient's medical record for history of a coagulative disorder, low platelet count (Ͻ100,000), high INR (Ͼ1.5), and whether the patient was on any anticoagulant medication (including either heparin, warfarin, or enoxaparin), because an increased frequency of PRES has been noticed in patients on anticoagulative medication or having bleeding diatheses.…”