HEALTHSTREAM ICU knowledge

HEALTHSTREAM ICU Questions And Answers 100% Pass Subdural hematoma? answersbleeding between covering of brain (dura) and surface of brain. Compress brain tissue , leadin to brain dead. Most pt do not recover. Epidural hematoma? answerscovering of the brain (dura) peel away from skull (from skull fracture). Wake up and die. Changes in vital signs are late signs. SubArachnoid hemorrhage (SAH)? answersaneurysm of artery in brain, causing rupture. This is a type of hemorhagic stroke. Risk for repeated bleeding is 35% within. First 14 days post first bleed. Vasospasm is a common complication of SAH. Cerebral angiogram can dx cerebral aneurysm. A ruptured aneurysm has a risk for death of 40% , 08% disable after rupture. Normal ICP for adult? answersless than 15mmHg. When treating high ICP , the goal is to be 20 mmHg ICP . What is cushing's triad? answersthree symptoms that indicate brian damage from high ICP . BRADYCARDIA, RESP DEPRESSION, HYPERTENSION. What factors increase ICP? answerssuction, any stimulations. Glascow score of 5 indicate? answers Cerebral angiogram? answersvisualize cerebral blood flow and blood vessels. Can remove clot in bv at time of process. Insertion of dye through femoral artery. Pt lies flat. Indicated for: atherosclerosis, dissection, tumor, aneurysm, av malformation, strok e. Not for kidney failure, bleeding issue, allergic to dye (iodine& shellfish). Cerebral angiogram can dx cerebral aneurysm. A ruptured aneurysm has a risk for death of 40% , 08% disable after rupture. Av malformation? answersl connection between artery and vein without capillary bed between in brain blood vessels. Leading to high pressure in veins (as vein is receiving blood too quick! -> weaken bv-> risk aneurysm. WHY IS AVM BAD? answers1 risk of aneurysm rupture. 2 enlarged avm will put pressure on surrounding brain. 3 cells that only gets oxy from capillary bed will die. Types of AV MALFORMATION? answersdural fistula, venous malformation, cavernoma, capillary telangiectasia. two locations of AVM? answersBRAIN & SPINE. treatment for avm? answersembolization - deliver glue/ obstructive materials into avm, thus, blood cant flow into avm to cause rupture. what test is used to locate what part of the brain is damaged by seizure or stroke. this test combines both neuroimaging anf neuropsychological tests? answerswada test - inject barbiturate into carotid artery to shut down one brian hemisphere and evaluate t he opposite hemisphere.. How to know if a person will be allergic to angiogram dye? answersallergic to iodine and shellfish. A pt with cerebral aneurysm is dx. What can the medical team do to secure it in preventing rupture of the aneurysm? answersclipping , endovascular coiling. What is the procedure of opening the skull? answerscraniotomy. What is clipping? answersclip at the neck of aneurysm to block normal blood floe from entering; thus, stop it from stretching further and eventually rupture. What is endovascular coiling? answersfill aneurysm with spiral coil to stop blood from filling the aneurysm; thus, prevent high blood pressure from rupturing. Post coiling : extremity straight, neuro check, watch for stroke. Carotid stenting? answersplace a stent to keep carotid artery open. Complications: increase risk for stroke by 10%. , Mi 5%, bleeding, formation of clots in stent.