Acute Stroke and TIA management

Acute Stroke and TIA management define stroke - WHO a clinical syndrome consisting of 'rapidly developing clinical signs of focal neurological deficit (at times global) disturbance of cerebral function, lasting more than 24 h or leading to death with no apparent cause other than that of vascular origin' define transient ischaemic attack (TIA) stroke symptoms and signs that resolve within 24 hours. In practice <1 hour AHA/ASA - a transient episode of neurologic dysfunction caused by focal brain, spinal cord, or retinal ischemia, without acute infarction Why does a stroke occur? / 2 classificcations Brain Cell death due to 1. ischemia - blockage 2. Haemorrhage - bleeding what are some of the causes of Ischemic stroke 85% of strokes stroke in older is commonly due to AF and atheroma younger - dissections from trauma, vasculitis 1. Atherothromb