According to a study, patients discharged from the emergency department (ED) after CT with CTA alone could have benefitted from an alternative or additional MRI evaluation, including using a specialized abbreviated protocol for the modality. Compared with those patients discharged after CT with CTA only, "the use of MRI in select patients presenting to the ED with dizziness was associated with greater frequency of critical neuroimaging results, greater use of echocardiography, and greater frequency of a change in secondary stroke prevention medications," concluded Long H. Tu, MD. The study included 1,917 patients (776 men and 1,141 women; mean age, 59.5...