Exam 3: Neuro Flashcards
(Spinothalamic tract vs posterior column) is associated with:
-Crude touch, pain, temp.
-Spinal injury has (contralateral/ipsilateral)
loss below injury?
-Sensory cortex injury has (contralateral/ipsilateral) loss?
Spinothalamic tract
- Spinal injury = contralateral loss
- Sensory cortex = contralateral loss
(Spinothalamic tract vs posterior column) is associated with:
-fine touch,
vibration, proprioception
- Spinal injury has (contralateral/ipsilateral) loss below injury?
- sensory cortex injury has (contralateral/ipsilateral) loss?
Posterior column
- Spinal injury = ipsilateral loss
- Sensory cortex = contralateral loss
UMN symptoms/is babinski (+/-)
Everything is increased -hypertonia/reflexia -spasticity -atrophy diffusely \+ babinski
LMN symptoms/is babinski (+/-)
Everything is decreased
- hypotonia/reflexia
- flaccidity
- denervation atrophy
- babinski
Gait abnormality associated w/ foot drop
and also called neuropathic gait
steppage gait
(Unilateral/Bilateral) steppage gait is due to:
Peroneal n. injury/spinal nerve compression
unilateral steppage gait
(Unilateral/Bilateral) steppage gait is due to:
ALS, charcot-marie-tooth disease, peripheral neuropathy
Bilateral steppage gait
Gait abnormality associated w/ circumduction, drag toe
- arm flexed/immobile, close to side
- Ankles inverted/plantarflexed
What is this seen in?
Spastic hemiparesis
-Seen in corticospinal tract lesions (stroke)
Gait abnormality associated w/ thighs that cross, stiff gait
What is this seen in?
Scissors gait
-seen in spasticity disorders (CP)
Gait abnormality associated w/ unsteady gait, wide stance, throw feet forward/outward, heels then toes w/ double tap
What is this due to/seen with?
Sensory ataxia
-Due to loss of proprioception (peripheral neuropathy/posterior column damage)
Gait abnormality associated w/ stooped posture w/ head/arm/hip/knee flexion
-Shuffling, slow to start, stiff turns
What is this seen in?
Parkinsonian gait
-Seen in basal ganglia abnormalities (Parkinson disease)
Gait abnormality associated w/
pelvic drop
What is this due to?
Trendelenburg gait
-due to hip abductor weakness
Trendelenburg gait is also called
myopathic gait
Unilateral Trendelenburg gait is due to? Bilateral?
Unilateral = spinal n. compression/superior gluteal n. injury
Bilateral = muscular dystrophy
Abnormal romberg test is due to
posterior column disease/neuropathy
Abnormal pronator drift test is due to
UMN lesion (possible stroke)
Cause of abnormal heel to shin test that results in heel overshoots knee & foot oscillates side to side
cerebellar disease
Cause of abnormal heel to shin test that results in heel lifts too high
absent position sense
Abnormal finger to nose test is called? due to?
dysmetria
-cerebellar disease or MS
Abnormal rapid alternating movement test is called? due to?
dysdiadokinesia
-due to cerebellar disease
Abnormal CN I is called? due to?
anosmia (due to head trauma or parkinson disease)
Abnormal CN II is what? due to?
visual field defect (due to retinal emboli/optic neuritis/pituitary tumor/stroke)
Abnormal CN III is what?
Palsy of this CN is called
vertical/horizontal dipolpia
palsy = ptosis
Abnormal CN IV is what?
Vertical diplopia
Abnormal CN V is what?
trigeminal neuralgia
Abnormal CN VI is what?
horizontal diplopia, esotropia (eye towards nose & can’t move laterally)
Peripheral abnormal CN VII?
Central?
Peripheral = Bell’s Palsy
Central = Cerebral infarct
Abnormal CN VIII is what?
disequilibrium, vertigo, nystagmus
Abnormal CN IX is what?
no gag reflex, loss of taste to posterior 1/3 of tongue
Abnormal CN X is what?
hoarseness, dyspnea, dysarthria, loss of gag reflex
Abnormal CN XI is what?
trapezius weakness, atrophy/fasciculations, scapular winging
Abnormal CN XII central lesion? peripheral lesion?
Central = tongue deviates away from weak side
peripheral = tongue deviates towards weak side
Difference between screening and problem focused sensory exam
Screening exam = start distally then move proximally
Problem focused exam = dermatomal pattern bilaterally
Dermatome for lateral upper arms
C5
Dermatome for radial forearm and thumb
C6
Dermatome for middle finger
C7
Dermatome for ring/little finger
C8
Dermatome for ulnar forearm
T1
Dermatome for nipple line
T4
Dermatome for umbilicus
T10
Dermatome for inguinal region
L1
Dermatome for anterior proximal thigh
L3
Dermatome for knee/medial shin
L4
Dermatome for lateral shin, dorsal foot to great toe
L5
Dermatome for lateral and plantar foot
S1
Tremors:
seen @ rest
associated w/ parkinson disease
Static tremor
Tremors:
seen when affected area maintains posture
Associated w/ hyperthyroid, anxiety, fatigue, essential tremor
postural tremor
Tremors:
absent @ rest, seen w/ movement
Associated w/ MS
intention tremor
Involuntary movements:
Brief/repetitive/twitching
Associated w/ Tourette syndrome/medications
tics
Involuntary movements:
Twisted posture of large body parts
Asociated w/ medications/spasmodic torticollis
dystonia
Involuntary movements: Bzarre, rhythmic, repetitive movements
Associated w/ Parkinson disease, psychoses, medications
dyskinesias
Involuntary movements:
Inability to sit still
Associated w/ medications (antipsychotics, Compazine)
akathisia
Involuntary movements:
Brief, jerky, rapid unpredictable movements
Associated w/ huntington disease, rheumatic fever
chorea
Involuntary movements:
Slow, twisting, writing movements
Associated w/ CP
athetosis
What is associated w/ DTR of +4?
Clonus
Hypoactive DTRs are associated with upper or lower motor neuron injuries
LMN
Hyperactive DTRs are associated with upper or lower motor neuron injuries
UMN
DTRs: biceps associated w/ what nerve roots
C5/C6
DTRs: brachioradialis associated w/ what nerve roots
C5/C6
Which DTRs are BOTH associated with the same nerve roots C5/C6
biceps/brachioradialis
DTRs: triceps associated w/ what nerve roots
C6/C7
DTRs: patella associated w/ what nerve roots
L4
DTRs: Achilles associated w/ what nerve roots
S1
DTRs: babinski associated w/ what nerve roots
L5/S1
Abnormal babinski reflex shows what
toes fan out, great toe extends (due to CNS lesion)
Shoulder abduction is associated w/ what nerve root & peripheral nerve
C5
Axillary
Elbow flexion is associated w/ what nerve root & peripheral nerve
C5, C6
Musculocutaneous
Elbow extension is associated w/ what nerve root & peripheral nerve
C6, C7
Radial
Wrist extension is associated w/ what nerve root & peripheral nerve
C6, C7
Radial
Wrist flexion is associated w/ what nerve root & peripheral nerve
C7, C8
Median
Finger abduction is associated w/ what nerve root & peripheral nerve
C8, T1
Ulnar
Thumb opposition is associated w/ what nerve root & peripheral nerve
C8, T1
Median
Hip flexion is associated w/ what nerve root & peripheral nerve
L2, L3
Femoral
Hip extension is associated w/ what nerve root & peripheral nerve
L4,
L5 Gluteal
Knee extension is associated w/ what nerve root & peripheral nerve
L3,
L4 Femoral
Knee flexion is associated w/ what nerve root & peripheral nerve
L5,
S1 Sciatic
Ankle dorsiflexion is associated w/ what nerve root & peripheral nerve
L4,
L5 Peroneal
Ankle plantarflexion is associated w/ what nerve root & peripheral nerve
S1
Plantar
What upper extremity movements are both associated w/ nerve root C6, C7 and peripheral nerve: radial
elbow extension and wrist extension