reading flash cards
what is cerebral edema
accumulation of fluids within the brain
what is a stroke
cessation of cerebral blood flow and oxygen-glucose deprivation sets in motion a series of pathological events.
what kind of stroke produce cerebral edema
Ischemic strokes
when does cerebral edema reach is max
3-4 day after insult
what is the result of cerebral edema
Result of tissue necrosis and widespread rupture of cell membranes with movement of fluid from the blood into brain tissues.
what are the Clinical signs of elevating intracranial pressure (ICP)
o decreasing level of consciousness (stupor and coma),
o widened pulse pressure,
o increased heart rate,
o irregular respirations (Cheyne-Stokes respirations),
o vomiting, unreacting pupils (cranial nerve [CN] III signs)
o Papilledema.
what is a Transient ischemic attack (TIA)
temporary interruption of blood supply to the brain
how long does a TIA last
Few min to hour but do not last more than 24hrs
what is a Deteriorating stroke
refers to the patient whose neurological status deteriorates after admission to the hospital.
what is consider a young stroke
less than 45 years old
what is - Fluent aphasia
wernickes
what is - Nonfluent aphasia
brocas
what is - Dysphagia
inability to swallow or difficulty in swallowing
Swallowing dysfunction of the oral stage whihc CN
CN V [trigeminal], CN VII [facial])
Pharyngeal stage dysphalogia - which CN
CN IX [glossopharyngeal], CN X [vagus], and CN XI [accessory])
o oral and pharyngeal dysphalogia - which CN
CN XII [hypoglossal])
what does NPO mean
nothing by mouth
cognitive dysfunction with stroke is associated with
Result of lesions affecting the prefrontal cortex, limbic system, and limbic cortex
what stays intact STM or LTM
STM effect
LTM stays
STM issue due to what area of the brain
lesion in the limbic system, limbic associated cortex, or temporal lobes
LTM is due to a issue where in the brain
the hippocampus
what is confabulation
memory gaps may be filled with inappropriate words or fabricated stories
what is Preservation
the continue rep of words, thoughts, or actions that are not related to current context
the pt gets stuck
what is the brain issue that causes preservation
prefrontal/premotor