Korean Transient Ischemic Attack eXpression Registry

Transient Ischemic Attacks in Korean: Hospital-based, Multi-center Prospective Registry

This study is to determine the clinical and neuroimaging characteristics of Transient Ischemic Attacks in Korean populations.

Inclusion Criteria:

• Clinical symptoms and signs consistent with transient ischemic attack
• Subject who admitted hospital within 24 hours after symptom onset
• Subjects who underwent MRI (including diffusion-weighted images) and MRA (or CT angiography)

Exclusion Criteria:

Transient neurological symptoms due to

• Migraine aura
• Basilar migraine
• Seizures
• Syncope
• Peripheral vertigo
• Transient global amnesia