Questions And Answers
What factors increase ICP? suction, any stimulations.
Glascow score of 5 indicate?
Cerebral angiogram? visualize 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, stroke. 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? l 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? 1 risk of aneurysm rupture. 2 enlarged avm will put pressure on
surrounding brain. 3 cells that only gets oxy from capillary bed will die.
, HEALTHSTREAM ICU knowledge
Questions And Answers
Types of AV MALFORMATION? dural fistula, venous malformation, cavernoma,
capillary telangiectasia.
two locations of AVM? BRAIN & SPINE.
treatment for avm? embolization - 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? wada test- inject barbiturate
into carotid artery to shut down one brian hemisphere and evaluate the opposite hemisphere..
How to know if a person will be allergic to angiogram dye? allergic 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? clipping , endovascular coiling.