NUR 211 Perfusion

NUR 211 Perfusion
1. ischemic stroke
Answer
lack of blood flow to the brain d/t blockage. accounts for 87% of strokes
2. hemorrhagic stroke
Answer
bad outcomes.rupture or open bleed that impactsthe brain. accounts for 13% of strokes.
3. what is a stroke?
Answer
disruption in cerebral blood flow
4. risk factors for stroke
Answer
hypertension, atrial fibrillation, diabetes mellitus, sleep apnea, hypercholestermia, smoking,
sickle cell disease, substance abuse, living in stroke belt, family history, obesity, sedentary
lifestyle, recent infections, history of TIAs, oral contraceptives, pregnancy, childbirth,
menopause, migraines with aura, autoimmune disorders, clotting disorders, previous stroke
5. what is a hemorrhagic stroke caused by?
Answer
caused by bleeding into brain tissue, the ventricles, subarachnoid space
6. etiology and patho of hemorrhagic stroke
Answer
brain metabolism is disrupted by exposure to blood, ICP increases, increased ICP can lead to
hemorrhagic stroke but can also be the result of a hemorrhagic stroke. compression orsecondary
ischemia from reduced perfusion and vasoconstriction causes injury to brain tissue.
7. manifestations of hemorrhagic stroke
Answer
similar to ischemic stroke, severe headache (main difference from ischemic stroke), early and
sudden changes in LOC, vomiting