Abstract 223: Pre‐Thrombectomy Diagnosis of Large Vessel Occlusion with Underlying Intracranial Atherosclerotic Disease oleh Mohamed A. Tarek, Mateus Damiani, Mahmoud H. Mohammaden, Srikant Rangaraju, Pedro N. Martins, Jay N. Dolia, Aqueel A. Pabaney, Jonathan R. Grossberg, Michael Nahhas, Alhamza R. Nogueira, Raul G. Haussen