Chapter 18 Altered Mental Status, Stroke, and headache Flashcards
a significant indication of injury or illness is known as
altered Mental Status
The range for altered mental status may range from
disorientation to complete unconsciousness and unresponsive to pain stimuli
there are two functioning components necessary for a person to stay awake. What are they
an intact reticular activating system
and at least one cerebral hemisphere
what is the reticular activating system (RAS)
is a set of connected nuclei in the brains of vertebrates that is responsible for regulating arousal and sleep-wake transitions.
Indication for pupils
head injury (unequal or fixed drugs (pinpoint) hypoxia (sluggish to respond to light
any deficiency in the functioning of the brain or nervous system is known as
neurological deficit
what are the signs of a neurological deficit
altered mental status slurred or absent speech paralysis weakness numbness
a neurological deficit will alert an emt to the possibility of a condition that is affecting the patients ______________?
central nervous system
a medical injury to the brain that is not related to trauma is known as
nontraumatic brain injury or stoke
The time of onset of a stroke is commonly defined as the last ime that a patient was seen…………….?
neurologically intact
what causes a stroke
interruption of blood to the brain
how does a stroke occur?
either by a blockage of an atery that is carrying build to a specific part of the brain or bleeding in the brain
the blockage is known as
ischemic stroke
the bleeding is known as
hemorrhagic stroke
what is a thrombus
a clot that develops at the site of an occlusion
