Stupor and Coma -Rothrock Flashcards
If you are having decreased level of consciousness what does this imply?
diffuse bihemispheric disorder, disorder afflicting the ascending reticular activating system or both
If you have a greater decreased level of consciousness and only a few focal signs, what should you be thinking?
extracerebral problem
If you have a large amount of focal signs and a small amount of decreased level of consciousness, then what should you be thinking?
intracerebellarl problem
What does intracerebral mean?
it means relating to the brain
IF you have a patient with this type of hemmorhage, the initial exam may be normal unless you get the patient out of bed
intracerebellar hemorrhage
An intracerebellar hemorrhage is a subtype of what kind of hemorrhage?
intracerebral hemorrhage
As will all intracerebral hemorrhages, Intracerebellar hemorrhage may expand in size over the first few (blank) following presentation (w/ associated clinical deterioration).
What can this cause?
hours
cerebellar tonsils to (rapidly) herniate through the foramen magnum
(blank) also known as focal neurological deficits or focal CNS signs are impairments of nerve, spinal cord, or brain function that affects a specific region of the body, e.g. weakness in the left arm, the right leg etc.
Focal neurologic signs
When will you see focal signs with a SAH?
if it extends into brain parenchyma or the pnt subacutely suffers vasospasm and ischemic stroke
If you have a seizure patient who is unconscious do to alcohol and hypoglycemia, fosphenytoin takes (blank) minutes before it works so you should give (blank) first. WHy cant you give lorazepam alone?
15 minutes
lorazepam has short half life
What are some manifestations of subarachnoid hemorrhage?
subhyaloid hemorrhages
early papilledema
cushings sign
What is a subhyaloid hemorrhage?
bleeding under the hyaloid membrane, which envelops the vitreous body of the eye
What is papilledema?
swelling of the optic disc due to increase ICP
What is Cushings sign/reflex?
Cushing reflex is a physiological nervous system response to increased intracranial pressure (ICP) that results in Cushing’s triad of increased blood pressure, irregular breathing, and a reduction of the heart rate.
What is hepatic encephalopathy?
the loss of brain function that occurs when the liver is unable to remove toxins from the blood