NSG 3315 Lecture Notes - Lecture 15: Pia Mater, Brainstem, Neutrophil
Document Summary
Brain attack ischemia - blood ow is stopped in a brain vessel from a clot (most common) hemorrhagic - bleeding into the brain tissue (most severe) Modi able risk factors: high bp, high lipids, smoking, diabetes, heart disease, cad, obesity, heavily alcohol use, cocaine use, blood clotting disorders. Nonmodi able risk factors - age (increased risk with age), gender (speci cally male), race (speci cally african americans), heredity. Temporary disturbance of blood ow without an area of infarction or cell death. Increased risk of a repeat stroke after a tia. Depend on which artery is affected, the area of brain tissue the artery supplies, and the amount of collateral circulation. Most common is weakness or paralysis in face or arm and sometimes leg. Fast - face drooping, arm weakness, speech dif culty, time to call 911 early intervention is key. Meningitis - in ammation of the pia mater, arachnoid, and the csf lled subarachnoid space bacterial - more severe.
