NRS 213 Chapter Notes - Chapter 5: Transient Ischemic Attack, Thrombus, Diplopia
Document Summary
Reading 1: medical surgical nursing in canada stroke. Ageo risk increases with age (doubles each decade after 55) Gendero women are more likely to suffer from strokes than men. Hypertension: increase in bp increase the risk of stroke. Heart disease (atrial fibrillation, myocardial infarction, cardiomyopathy, carotid stenosis, Caused by inadequate blood flow to the brain from partial or complete occlusion of an artery. Transient ischemic attack (tia) is a precursor to an ischemic stroke: transient ischemic attack (tia): a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischemia (no acute infarction of the brain) May be caused by microemboli that temporarily block blood flow. 2 types of ischemic strokes: thrombotic stroke occurs due to a thrombus or narrowing of blood flow to the brain. Thrombus will likely narrow the lumen increased risk of occlusion risk for infarction: embolic stroke - occurs due to a embolus occluding an artery in the brain infarction and edema.
