“…Patients who are treated within the first 3 hr can receive substantially more benefits than those treated at a later period (Wardlaw, Murray, Berge, & del Zoppo, ). However, the time dependence has limited the use of IV rt‐PA thrombolysis (Marler et al., ; Nikkhah et al., ), and at present, only 3%–4% of patients with AIS are treated with IV rt‐PA thrombolysis (Mokin, Snyder, Siddiqui, Hopkins, & Levy, ). Many patients eligible for IV rt‐PA thrombolysis are finally excluded from treatment owing to the arrival at the emergency room (ER) beyond the therapeutic window (Amorim et al., ).…”