Point-of-care Low-field MRI in Acute Stroke

"Three FDA-approved low-field (LF) portable MRI commercialized by Hyperfine Research Inc. (www.hyperfine.io) will be employed. Patients will undergo LF-MRI in the CT suite during the downtime of preparation which usually occurs after urgent imaging in the CT suite (mean time, as calculated basing on the current door to imaging time: \~20-25 minutes), thus not delaying the conventional diagnostic processes and treatment administration. LF-MRI will be also repeated by the study staff at predefined time-points: 24 h, 72 h, at the discharge and 4 weeks after the event.~A prespecified acquisition of Fast-Spin Echo (Fast-SE) essential stroke sequences will be performed, starting with diffusion weighted imaging (DWI) + apparent diffusion coefficient (ADC) mapping and fluid attenuated inversion recovery (FLAIR)."