Some secondary strokes are preventable in patients with carotid artery territory TIA because early carotid revascularization is efficacious in symptomatic patients with critical carotid stenosis.
Patients with carotid territory TIA need either carotid artery ultrasound or CT angiogram within 24 hours.
Good Indicators for testing (suggestive of carotid territory disease)
Bad Indicators for testing
Adapted from Choosing Wisely NL Practice Points Volume 3 (2018)