TEST #4 C. 37 Flashcards
rosing sign
palpate on the left side and makes right side hurt
mcburneys point
appendicitis starts periumbilical and goes down to RLQ
rebound tenderness
press down and let go hurts; appendicits
autonomic nervous system signs of g. barre
postural hypotension, arrhythmia, sweating, flushed face, urinary retention
damaged myelin causes scar tissue and the scar tissue is called
sclerosis; multiple sclerosis
wheres the phrenic nerve
c3-c5
No problem with blood getting there but blood isn’t oxygenated
hypoxia
A situation of greatly reduced or interrupted blood flow; Oxygen and glucose in that blood
ischemia
Glutamate, the brain’s most prevalent excitatory amino acid neurotransmitter, is released in excessive quantities when blood vessels are blocked.
Excitatory amino acid injury
Occurs with conditions that impair the function of the blood–brain barrier and allow transfer of water and proteins from the vascular into the interstitial space.
vasogenic edema
an increase in intracellular fluid.
cytotoxic edema
normal intracranial pressure
5-15 mm hg
signs of intracranial pressure ; LATE SYMPTOMS
cushings triad
widening pulse pressure/hypertension
bradycardia-heart rate less than 60
irregular breathing
Systolic going up and diastolic is going down
widening pulse pressure
differentiate between cushings and shock state
SHOCK
decrease bp
increase pulse
increase respirations
CUSHINGS
increase bp
decrease pulse
decrease respirations
cerebral perfusion pressure in the brain is normally
70-100
the most common herniation syndrome.
uncal syndrome / transtentorial
upward herniation; less frequent
infratentorial herination
downward herniation
posturing
bruising on the brain surface or a lacerations or tearing of brain tissue.
contusions
basilar skull fractures 2 signs
raccoons eyes-indicative of brain injury
battle sign-bruising behind ear
tear in the artery
epidural hematoma
develops between the inner side of the skull and the dura.
epidural hematoma
a history of head injury and a brief period of unconsciousness followed by a lucid period in which consciousness is regained.
epidural hematoma