Off-script Diagnosis & Differential Diagnosis (D&D) Training and Residents' Stroke Knowledge

"1. Training Timeline: Must be completed within 72 hours post-randomization; Requires standardized structured off-script D\&D analysis.~2. Structured Analysis Framework: 1)Epidemiology: Incidence, mortality, and disability rates; 2) Etiologic Classification: TOAST classification system; 3) Vascular Mechanisms: Culprit vessel, vascular territory, pathophysiology; 4) Differential Diagnosis: Stroke mimics and stroke subtype differentiation; 5) Acute Management: Hyperacute interventions (thrombolysis/EVT), secondary prevention strategies, and evidence-based case analysis; 6) Patient Education: Stroke prevention education for patients/public; 7) Research Gaps: Current limitations and future directions.~3. Presentation Requirements: 1)Mandatory off-script delivery (no prepared text); 2) Time limit: 15+3 minutes for complete analysis."