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Physical Exam Neuro
Neuro
107
Physiology
Not Applicable
08/27/2012

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Term
Three questions to solve during exam
Definition
-mental status intact?
-are right and left findings symmetric
-is problem CNS or PNS
Term
Common or Concerning neuro symptoms
Definition
-headache
-dizziness or vertigo
-generalized, proximal, or distal weakness
-numbness
-loss of consciousness
-seizures
-tremors or involuntary movements
Term
anytime a Pt tells you "it's the worst headache of my life" you need to
Definition
consult with higher medical authority NOW!!!
Term
Questions to ask about headache
Definition
-severity, location, or duration
-associated symptoms (visual changes, weakness, loss of sensation)
-is it affected by coughing, sneezing, or sudden movements
Term
dysarthria is
Definition
difficulty forming words
Term
ataxia
Definition
difficulty with balance
Term
dizziness vs vertigo
Definition
dizziness-vague, could mean light-headed or feeling faint
vertigo-perception that room is spinning
Term
paresis
Definition
incomplete paralysis
Term
weakness made worse with repeated effort and improved with rest suggests
Definition
myasthenia gravis
Term
questions to ask regarding weakness
Definition
generalized vs localized
rapid or slow onset
areas involved
associated symptoms
Term
dysesthesias
Definition
distorted sensations in response to a stimulus and may last longer than stimulus itself
Term
odd sensations, with or without stimuli
Definition
paresthesias
Term
anesthesia
Definition
loss of sensation
Term
questions to ask regarding numbness
Definition
location
sensations
difficulty moving limb
description of feeling
Term
questions to ask for loss of consciousness
Definition
begin by exploring what pt means by loss of consciousness.
-warning signs
-what position was the pt in
-duration
-could voices be heard during
-how rapid was recovery
-did anyone observe the event
Term
young people with emotional stress and warning symptoms of flushing, warmth, or nausea may have
Definition
vasodepressor syncope (slow onset)
Term
unlike syncope, tonic clonic seizure may result in injury to tongue or bruising of the limbs T/F
Definition
T
Term
seizures are caused by
Definition
sudden excessive electrical discharge in the cerebral cortex
Term
questions to ask with seizures
Definition
precipitating events
warnings sings (aura)
age of onset
frequency
medications
history of head injury
Term
restless legs syndrome is benign?
Definition
Yes
Term
what gives relief to restlessness of the legs
Definition
walking
Term
questions to ask about tremors
Definition
trembling, shakiness, body movements that the patient seems unable to control
Term
Which is more common, ischemic or hemorrhagic stroke?
Definition
ischemic 85 to 15 %
Term
most common cause of stroke is occlusion of this artery
Definition
middle cerebral artery
Term
common signs of stroke and TIA
Definition
-sudden numbness or weakness
-sudden confusion, trouble speaking or understanding
-sudden trouble walking, dizziness, or loss of balance
-sudden trouble seeing in one or both eyes
-sudden severe headache
Term
components of CSS
Definition
Facial droop, arm drift, speech
Term
risk factors for stroke
Definition
hypertension
smoking
hyperlipidemia
diabetes
excess weight
lack of exercise
heavy alcohol use
Term
most common cause of peripheral neuropathies
Definition
diabetes
Term
what is HgA1c
Definition
avg glucose level over 3 months
Term
important ares of exam
Definition
-mental status
-CN
-Motor/Cerebellar
-Sensory
-DTRs
Term
eyelid ptosis is indicative of what CN lesion
Definition
III
Term
nystagmus
Definition
involuntary jerking movement
Term
important thing to remember before testing corneal reflex with fines cotton wisp
Definition
have pt remove contacts
Term
absent blinking is indicative of what CN lesion
Definition
V or VII
Term
absent blinking and sensorineural loss occurs in
Definition
acoustic neuroma
Term
besides testing shrug strength and head turn against resistance, what else should be done when testing CNXI
Definition
look for muscular atrophy or fasciculations
Term
When assessing motor system, focus on
Definition
body position
involuntary movements
characteristics of muscles (bulk tone strength)
coordination
Term
Are fibrillations visible to medic?
Definition
No
Term
fasciculations with atrophy and muscle weakness suggest disease of
Definition
peripheral motor unit
Term
how do you test muscle tone?
Definition
by feeling muscle's natural resistance to passive movement
Term
hypotonia
Definition
marked floppiness
syn. flaccidity
Term
spasticity
Definition
increased muscle resistance that worsens at the extremes of ROM
Term
If the Pt is unable to resist your movements during muscle strength test, you should
Definition
test them against gravity or with gravity eliminated, if unable still, watch or feel for muscular contraction
Term
0-5, muscle strength scale, this is normal strength
Definition
5-active movement against full resistance without evident fatigue
Term
flexion at the hip is innervated by spinal nerves
Definition
L2-3, L4 iliopsoas
Term
extension at the hips is innervated by
Definition
S1-gluteus maximus
Term
extension of knee innervated by
Definition
L2,3,L4-quadriceps
Term
knee flexion innervated by
Definition
L4,L5,S1,S2 hamstring
Term
ankle dorsiflexion is innervated by
Definition
L4,L5, tibialis anterior
Term
plantar flexion is innervated by
Definition
S1 gastrocnemius, soleus
Term
ways to test coordination
Definition
rapid alternating movements
point to point movements
gait
standing in specific ways
Term
in cerebellar disease, where one movement cannot be followed quickly by its opposite, movements are slow, irregular, clumsy. this is called
Definition
dysdiadochokinesis
Term
consistent deviation to one side, aka past pointing, worse with eyes closed, suggests
Definition
cerebellar or vestibular disease
Term
with point to point movements that test cerebellar coordination, observe for
Definition
smoothness and accuracy, remember to repeat with eyes closed
Term
having the Pt walk heel-to-toe in a straight line is a pattern called
Definition
tandem walking
Term
inability to heel-walk is a sensitive test for
Definition
corticospinal tract damage
Term
how long to wait while using romberg test
Definition
30-60 sec without support
Term
T/F a positive romberg sign requires pt to lose balance with eyes both open and closed
Definition
F
Term
types of sensation to be tested
Definition
pain
temperature
position
vibration
light touch
discrimination
Term
sensations of pain and temperature relate to which tract
Definition
spinothalamic
Term
position and vibration relate to what tract
Definition
posterior columns
Term
light touch relates to which tract(s)
Definition
spinothalamic and posterior columns
Term
when testing sensation remember to
Definition
compare symmetric areas
compare proximal to distal areas
vary the pace of testing
map out boundaries when abnormalities detected
Term
Is it okay to reuse pin or sharp device used to test sharp/dull on a pt?
Definition
No
Term
T/F Temperature discrimination can be omitted if pain sensation is normal
Definition
T
Term
what kind of tuning fork to use for vibration sensation testing?
Definition
low freq - 128 hz
Term
if vibration sense is impaired, you should
Definition
move proximally and try again
Term
loss of discriminative sensations (stereognosis, number ID, two point discrimination) are suggestive of disease of
Definition
sensory cortex
Term
graphesthesia is useful when
Definition
Pt has motor impairment that prevents them from doing stereognosis test
Term
minimal distance at which Pt should be able to discriminate two points
Definition
less than 5mm on finger pads and up to 40 mm on the back
Term
to test point localization,
Definition
briefly touch a point on pt,
have them open eyes and point
to place touched
Term
how to test extinction
Definition
simultaneously touch corresponding
areas on both sides of body,
ask where pt feels touch, should be
able to feel both
Term
dermatome is a band of skin innervated by sensory root of a single__
Definition
spinal nerve
Term
each spinal nerve has a specific cutaneous sensory distribution besides spinal nerve
Definition
C1
Term
Reflexes are graded
Definition
0-4+
Term
hyperactive reflexes aka hyperreflexia indicate
Definition
lesions along descending corticospinal tract-upper motor neuron
Term
hyporeflexia points to lower or upper motor neuron lesion
Definition
lower
Term
which reflex grade is normal
Definition
2+
Term
biceps reflex tests
Definition
C5, 6
Term
triceps reflex tests
Definition
C6-7
Term
supinator or brachioradialis reflex tests
Definition
C5-6
Term
knee reflex tests
Definition
L2,3,4
Term
ankle reflex tests
Definition
S1
Term
sustained clonus indicates
Definition
CNS disease
Term
a normal finding for abdominal reflex is
Definition
contraction of abdominal muscles and deviation of umbilicus toward stimulation
Term
dorsiflexion of the big toe is a positive or negative babinski finding?
Definition
positive
Term
how to test babinskis
Definition
run tongue blade along lateral aspect of foot from heel and curve medially to the ball of the foot
Term
anal reflex (anal wink) tests
Definition
S2,3,4
Term
if you suspect meningeal inflammation from CNS infection or subarachnoid hemorrhage, its important to test for
Definition
meningeal signs
Term
What should be done before testing neck mobility
Definition
rule out c-spine injury
Term
what is a positive meningeal sign
Definition
neck pain, stiffness with neck flexion (either active or passive)
Term
Hip and knee flexion during testing for brudzinski's sign most likely suggests
Definition
meningeal inflammation
Term
what is a positive kernigs sign
Definition
pain and increased resistance to knee extension-bilateral suggests meningeal irritation
Term
how to test kernigs sign
Definition
flex pt leg at both hip and knee, then straighten knee
Term
is discomfort behind the knee during full extension while testing Kernig's sign normal?
Definition
Yes
Term
what is sciatica
Definition
low back pain with nerve pain
that radiates down the leg if in
S1 distribution
Term
how to test SLR
Definition
raise pt straight leg until pain
back off til pain gone
dorsiflex
positive if pain when dorsiflex
Term
asking the pt to "stop traffic" by extending both arms with hands cocked and fingers spread, and having held for 1-2 minutes is testing for
Definition
Asterixis-metabolic encephalopathy, will see sudden brief nonrythmic flexion of hands/fingers, seen in liver disease and uremia
Term
winging of the scapula suggests
Definition
weakness of serratus anterior muscle due to muscular dystrophy or long thoracic nerve injury (compression of which is known as pack strap palsy)
Term
how to test for winging of the scapula
Definition
ask patient to extend both arms and push against wall; protrusion of scapula is positive sign
Term
In evaluation of the stuporous or comatose pt, first ___, then ____
Definition
assess for life threats,
establish LOC
Term
"donts" when assessing a comatose pt
Definition
Dont dilate the pupils
Dont flex the neck
Term
"donts" when assessing a comatose pt
Definition
Dont dilate the pupils
Dont flex the neck
Term
Why dont you dilate the pupils when assessing a comatose pt
Definition
this takes away the single most important clue to the cause of the coma (structural vs metabolic)
Term
oculocephalic reflex in comatose?
Definition
test for brainstem function,
hold open pt upper eyelids
turn pt head rapidly-
if brainstem INTACT, eyes will move to opposite side of movement
Term
oculovestibular reflex testing?
Definition
ensure TM is intact and EAC clear
elevate pt head to 30 degrees
inject ice water into ear canal
with large syringe
eyes should deviate toward stimuli
indicates intact brainstem
Term
three patterns of response to pain in comatose pt
Definition
normal avoidant, stereotypic, flaccid
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