Research leader Mayo Clinic doctors and researchers actively study TIA causes, risk factors, prevention, diagnostic tests and treatment options, and conduct clinical trials. Read about research in stroke and vascular disease, vascular biology, and neurology.

A transient ischaemic attack (TIA) is a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischaemia, without acute infarction. [1] A TIA has a sudden onset and may last anything from a few minutes to 24 hours.