Spinal Trauma Teaching Flashcards
neurogenic shock spinal injury level
T 6 and above
why not neo for neuro shock
alpha 1 without B1 leads to reflex bradycardia
persistent bradycardia with neuro shock tx?
atropine or robinul
In what region are most spinal injuries?
CErvical 55%
percent of patients with cervical fracture with non contiguous lesion
10%
what does nexus stand for?
Neuro def
Etoh (AMS)
eXtreme distractor
Unable to provide history(AMS)
Spinal tenderness
canadian C spine automatic scans(3)
over 65
neuro s/s
dangerous mech
start and end of spinal cord
medulla oblongata to L1
What does spinal cord turn into below L1
equina
why is thoracic region very susceptible to complete injury
narrow
how many C , T , L vertebra
7,12,5
what nerves make up the cervical cape?
C2-4
T8 dermatome? T10? 12?
xyphoid
umbo
PSymph
where are the spinothalamic and cortico spinal tracts located
funcitons?
anteriolateral
where are the spinothalamic and cortico spinal tracts located
funcitons?
anteriolateral
pain and temp opposite
motor same
4 parts of classic neurogenic shock presentation
hypotension with bradycardia OR normal HR
Fracture T 6 or higher
Warm extremities
motor deficit
3 things causing hypotension in neuro shock
dec symp innervation to heart, adrenal and periphery
what is more important than operation on first assesment of unstable spine with deficit?
hemodynamics and perfusion
corticospinal location and function?
anterior and lateral cord
motor
spinothalamic tract location and function
anterolateral cord
pain and temp
Dorsal columns, location and function
posteromedial
proprioception
T4 dermatome? C8? T1?
nipple
pinky
inside medial arm
s characterized by a disproportionately greater loss of motor strength in the
upper extremities than in the lower extremities,
with varying degrees of sensory loss
Central cord
mech of central cord
hyper extension with canal stenosis
Anterior cord syndrome
pain temp and motor
due to ischemia
