What prehospital stroke screening tools have been developed?
Multiple stroke screening tools have been developed for prehospital evaluation of suspected stroke. A 2016 systematic review assessed the performance of 7 tools. Those with the highest number of subjects in whom the tool had been applied included Cincinnati Prehospital Stroke Scale (CPSS), Los Angeles Prehospital Stroke Screen Recognition of Stroke in the Emergency Room (ROSIER), and FAST (Face, Arm, Speech, Time).