NUR 211 Perfusion
- ischemic stroke
Answer lack of blood flow to the brain d/t blockage. accounts for 87% of strokes
- hemorrhagic stroke
Answer bad outcomes. rupture or open bleed that impacts the brain. accounts for 13% of strokes.
- what is a stroke?
Answer disruption in cerebral blood flow
- 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
- what is a hemorrhagic stroke caused by?
Answer caused by bleeding into brain tissue, the ventricles, subarachnoid space
- 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 or secondary ischemia from reduced perfusion and vasoconstriction causes injury to brain tissue.
- manifestations of hemorrhagic stroke
Answer similar to ischemic stroke, severe headache (main difference from ischemic stroke), early and 1 / 2
sudden changes in LOC, vomiting
- medical management of hemorrhagic stroke
Answer control of hypertension, CT or MRI, cerebral angiography, lumbar puncture, low stimulation, bed rest with sedation, oxygen, treat complications, don't use anticoagulants, correct INR
- nursing care for hemorrhagic stroke
Answer assess neuro frequently, monitor respi- ratory status, total care in critical care setting, monitor for increased ICP, manage complications, monitor fluid balance and lab data, implement aneurysm precautions, watch for vasospasm, report all changed immediately
- what is an ischemic stroke?
Answer disruption of blood supply due to stenosis or an obstruction, usually a thrombus or embolism that causes infarction of brain tissue.
- types of ischemic stroke
Answer thrombotic and embolic
- thrombotic stroke
Answer happens fast, progressed slow, starts as TIA, worsens over a day to two until it is complete.occurs more in older adults during sleep or rest. damaged area becomes demotes and necrotic.
- embolic stroke
Answer like a young basketball player who collapses. occurs more in younger people and when they are active, often starts in left chambers of the heart and formed during AFIB. sudden onset and immediate effect. if broken up and absorbed, deficits are gone within days.
- ischemic stroke patho and etiology
- / 2
Answer blood flow and oxygenation decreased to cerebral neurons, cellular metabolism ceases, cells