<s>[INST] How is Transient Ischemic Attack diagnosed? [/INST] Since Transient Ischemic Attack (TIA) is a short-lived stroke, doctors generally diagnose it by asking more about the event, family history, rather than neurological examination. However, some doctors may recommend you to undergo certain tests like CT Scan, MRI Scan etc.  Source: MEDIFEE. Link: https://www.medifee.com/faq/stroke#11. Field: Neurology. Disease: Stroke </s>