biostudies-literatureUnknown25(1)Herrmann MLUniversitätsklinikum Freiburg<h4>Background</h4>Identifying suspected anterior circulation large-vessel occlusion (aLVO) strokes during emergency calls could enhance dispatch efficiency, particularly in rural areas. However, data on emergency medical dispatchers' (EMDs) ability to recognize aLVO symptoms remain limited. This simulation study aimed to evaluate the feasibility of identifying side-specific arm paresis, side-specific conjugate eye deviation (CED), and aphasia during emergency calls by instructing layperson callers to perform brief, standardized examination steps. Two communication methods were compared: (1) telephone calls and (2) video calls.<h4>Methods</h4>Forty-eight laypersons interacted with simulated patients presenting various stroke syndromes. Simulated EMDs conducted standardized assessments duriBMC emergency medicine180https://www.ebi.ac.uk/biostudies/studies/S-EPMC12424218biostudies-literatureRecognition of stroke symptoms indicative of anterior circulation large-vessel occlusion via telephone and video calls: a simulation study.PMC12424218Meier SBrich JHenningsen MHerrmann MLWimmesberger NFarin-Glattacker ERau DSchuchardt FFfalseRecognition of stroke symptoms indicative of anterior circulation large-vessel occlusion via telephone and video calls: a simulation study.<h4>Background</h4>Identifying suspected anterior circulation large-vessel occlusion (aLVO) strokes during emergency calls could enhance dispatch efficiency, particularly in rural areas. However, data on emergency medical dispatchers' (EMDs) ability to recognize aLVO symptoms remain limited. This simulation study aimed to evaluate the feasibility of identifying side-specific arm paresis, side-specific conjugate eye deviation (CED), and aphasia during emergency calls by instructing layperson callers to perform brief, standardized examination steps. Two communication methods were compared: (1) telephone calls and (2) video calls.<h4>Methods</h4>Forty-eight laypersons interacted with simulated patients presenting various stroke syndromes. Simulated EMDs conducted standardized assessments duri2025-01-01T00:00:00Z2025 Sep2026-06-03T02:26:28.181Z2026-04-23T03:10:15.593ZS-EPMC124242184093135810.1186/s12873-025-01344-3