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HEALTHSTREAM ICU knowledge exam questions with correct answers
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HEALTHSTREAM ICU knowledge examquestions with correct answers
Intracranial hemorrhage's goal for treatment? - ANSWER -Stop bleeding. Decrease
icp.
Subdural hematoma? - ANSWER -bleeding between covering of brain (dura) and
surface of brain. Compress brain tissue , leadin to brain dead. Most pt do not
recover.
Epidural hematoma? - ANSWER -covering 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)? - ANSWER -aneurysm 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? - ANSWER -less than 15mmHg. When treating high ICP, the
goal is to be 20 mmHg ICP.
What is cushing's triad? - ANSWER -three symptoms that indicate brian damage
from high ICP. BRADYCARDIA, RESP DEPRESSION, HYPERTENSION.
What factors increase ICP? - ANSWER -suction, any stimulations.
Glascow score of 5 indicate? - ANSWER -
Cerebral angiogram? - ANSWER -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? - ANSWER -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? - ANSWER -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.
Types of AV MALFORMATION? - ANSWER -dural fistula, venous malformation,
cavernoma, capillary telangiectasia.
two locations of AVM? - ANSWER -BRAIN & SPINE.
treatment for avm? - ANSWER -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? - ANSWER -
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? - ANSWER -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? - ANSWER -clipping , endovascular coiling.
What is the procedure of opening the skull? - ANSWER -craniotomy.
What is clipping? - ANSWER -clip at the neck of aneurysm to block normal blood floe
from entering; thus, stop it from stretching further and eventually rupture.
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