Canadian Transient Ischemic Attack (TIA) ScoreLoading...First TIA in lifetimeNo0Yes+2Symptoms ≥ 10 minsNo0Yes+2History of carotid stenosisNo0Yes+2Already on antiplatelet therapyNo0Yes+3History of gait disturbanceNo0Yes+1History of unilateral weaknessNo0Yes+1History of vertigoYes-3No0Initial triage diastolic blood pressure ≥ 110 mmHgNo0Yes+3Dysarthria or aphasia (history or examination)No0Yes+1Atrial fibrillation on ECGNo0Yes+2Infarction (new or old) on CTNo0Yes+1Platelet count ≥ 400 x 10^9LNo0Yes+2Glucose ≥ 15 mmol/LNo0Yes+3适用指征洞见与注意事项