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These findings require multicenter validation Disclosure of interest: All authors have nothing to disclose Poster Session II - DIGITAL TRANSFORMATION, AI AND ROBOTICS 07.00 - DIGITAL TRANSFORMATION, AI AND ROBOTICS - 07.01 - TECHNOLOGY INNOVATIONS: ROBOTS, VIRTUAL REALITY, ARTIFICIAL INTELLIGENCE AND MORE P900 - ESOC25-1694 DETECTION OF POSTERIOR CIRCULATION OCCLUSIONS ON NON-CONTRAST CT USING DEEP LEARNING Marc Ribo 1 , Laura Oleaga 2 , Pere Canals Canals 3 , Alan Flores 4 , Leonardo Cruz 5 , Judith Cendrero 6 , Leonardo Tanzi 6 , Victor Salvia 6 , Santiago Ortega-Gutierrez 7 1 Hospital Universitario Vall Hebron, Barcelona, Spain, 2 Hospital Clnic de Barcelona, Barcelona, Spain, 3 Vall d'Hebron Institut de Recerca, Barcelona, Spain, 4 Hospital Universitari de Tarragona Joan XXIII, Barcelona, Spain, 5 The University of Iowa, Iowa, United States, 6 Methinks AI, Barcelona, Spain, 7 The University of Iowa, Lowa, United States Background and Aims: Posterior circulation occlusions (PO) result in lack of cerebral blood flow to critical brain regions, requiring rapid and accurate diagnosis for effective treatment

Joint aspiration for laboratory analysis may ultimately be required, as it can identify urate crystals, and Gram stain or culture can confirm/exclude the presence of infection
At the L4-L5 level, compression of the L5 nerve root sends pain radiating into the buttock, lateral thigh, lateral calf, and the top of the foot