Canadian Transient Ischemic Attack (TIA) Score

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First TIA in lifetime

Symptoms ≥ 10 mins

History of carotid stenosis

Already on antiplatelet therapy

History of gait disturbance

History of unilateral weakness

History of vertigo

Initial triage diastolic blood pressure ≥ 110 mmHg

Dysarthria or aphasia (history or examination)

Atrial fibrillation on ECG

Infarction (new or old) on CT

Platelet count ≥ 400 x 10^9L

Glucose ≥ 15 mmol/L

References

Cheng-Wang Yang. Validation of the Canadian TIA Score to Predict Subsequent Stroke Risk in Chinese TIA Patients. Cerebrovascular Diseases, 2022
J. Perry. Prospective validation of Canadian TIA Score and comparison with ABCD2 and ABCD2i for subsequent stroke risk after transient ischaemic attack: multicentre prospective cohort study. The BMJ, 2021
K. Uchino. Guideline: Starting dual antiplatelet therapy 24 h after high-risk TIA or minor ischemic stroke is recommended. Annals of Internal Medicine, 2019
S. Coutts. Rate and Prognosis of Brain Ischemia in Patients With Lower-Risk Transient or Persistent Minor Neurologic Events.. JAMA neurology, 2019
J. Perry. A Prospective Cohort Study of Patients With Transient Ischemic Attack to Identify High-Risk Clinical Characteristics. Stroke, 2014