Neurological PE Flashcards
What are notes in Neurological hx?
Identify the child at risk
Developmental milestones
Review of systems
Temporal profile and localization
Effect of the problem on daily function
Medications
Allergies
Fam Hx
What are noted iin the pregnancy hx of the motehr?
Mother’s age during pregnancy
Hx of prev pregnancies
Prenatal exposure to presc
Maternal wt
INC or DEC fetal movements
Prenatal ultrasound
What is noted in Perinatal hx?
Labor & delivery hx
Need for resuscitation
Birth wt, length, head circumference
What are notes in the ROS of neuro PE?
Feeding problems
Respiratory difficulties
Ambulatory/coordination problems
What are Qs asked in neuro exam?
Is there a neuro disorder?
Where is the lesion?
What pathologic lesions are most likely present at this site?
What S/Sx should be noted if there is neuro disorder?
INC ICP
Meningeal irritation
Neurological deficits
What are S/Sx of diff parts of the brain Corticacl, subcortical (white matter), basal ganglia, cerebellar?
- Cortical: seizures & strokes
- Subcortical: strokes
- Basal ganglia: strokes, dystonia, choreoathetosis, Sydenham’s chorea, Wilsons disease
- Cerebellar: viral illnesses, brain tumor causing ataxia, scanning speech, nystagmus, fine motor deficits of the hands
What are S/Sx of diff parts of the PNS like Spinal cord, peripheral nerves, NM junction, muscle?
- Spinal cord: bowel & bladder incontinence, weakness below a certain level
- Peripheral nerves: Guillan-Barre syndrome
- NM junction: Myasthenia gravis
- Muscle: diffused and progressive motor weakness seen in Duchenne muscular dystrophy
What is the ordered sequnce of examination?
Vital signs
Anthropometric measurements
General physical exam
MSSE
CN exam
Motor exam
Cerebellar exam
Sensory exam (peripheral and cortical)
What are unquestionaby neurologic signs?
Altered sensorium
Seizures
Devt delays/regression
Language problems
Disorders of cognitive function
What are subtle signs of INC ICP?
- INC head size in infants
- diminished venous pulsations in fundoscopy
- 6th nerve palsy/Abducens nerve palsy
- Head tilt/stiff neck
- “sun setting” eyes
What subtle sign of INC ICP is common in uncorrected, severe hydrocephalus?
“Sun setting” of eyes
What are diff signs of Meningeal irritation?
Nuchal rigiditiy
Spinal rigidity
Head tilt
Photophobia
Kernig’s sign
Brudzinski’s sign
What is a positive Kernig’s sign?
When the hip & knee are flexed to 90 deg, subsequent extension of the knee is painful
Kernig, Knee EKstension, is painful
What is a positive Brudzinski’s sign?
When neck is flexed, hips, and knees also flex
What spots on the skin is indicative of neurofibromatosis?
Cafe au lait spots
What type of skin ppigmentation is indicative of tuberous sclerosis?
Hypopigmented macules
What is checked in the corneas & lenses for opacities?
Cataracts
Inborn errors of metabolism
TORCH infection
What are inspected in the midline of the neck, back, and pilonidal areas?
- tufts of hair & abnormal birthmarks (along spine)
- dimples along the back at the midline -> congenital spine defect
What is Cushing’s triad?
Happy Birthday Irene!!!
Hypertension
Bradycardia
Irregular breathing
All cause INC ICP & altered sensorium
What other signs during vital signs can indicate a neuro problem?
Abnormal respiratory patterns for BP
Heart rate
Respiratory rate
What is the lcoation of Cheyne-Strokes, Central hyperventilation, & Apneustic breathing?
Cheyne-Strokes = Bihemispheric dysfunction
Central hyperventilation = Lower middbrain & Upper pons
Apneustic breathing = Mid to lower pons
What is the location of Cluster breathing, Ataxic breathing, & Ondine’s curse?
Cluster breathing = lower pons & upper medulla
Ataxic breathing = central medulla
Ondine’s curse = medulla or lower cervical cord
What are the diff general appearance with dysmorphic features?
- Hypotelorism = Holoprosencephaly & Trisomy 13
- Hypertelorism = Sotos syndrome, Cleft palate, Apert
- Inner epicanthal folds = Down syndrome, Rubinstein-Taybi, Zellweger
- Slanted palpebral fissue = Down syndrome, Apert, Di George, Miller Dieker
- Low set ears = Noonan, Treacher Collins, Pena-Shokeir, Trisomy 9&18
What are diff neurocutaneous stigmata?
- Hypopigmented patches = tuberous sclerosis
- Cafe au lait spots = Neurofibromatosis 1
- Port-wine stain = Sturge-Weber syndrome
- Petechial hemorrhage s= CMV (blueberry muffin sign)
- Macular rash = SLE
- Vitiligo = AID (Myasthenia gravis)
During head examination, what should be done?
Inspection
Palpation
Percussion
What are noted during Inspection?
- Macrocephaly = open & large fontanels
- Microcephaly = closed fontanels
- Craniosynostosis = palpable, ridgy or pointy sutures
- Venous distention = promninent scalp veins
- Flattened occiput = delayed child
- Bulging occiput = Dandy-Walker cyst
- Biparienal enlargement (devils horns = bilatral chronic subdural hematomas
What is the mean head circumference from the normal population in Macro & Microcephaly?
Macrocephaly: HC >2SD
Microcephaly: HC <2SD
What are noted in palpation of the head?
- palpate for cranial structures & fontanels gently
- head circumference
- tenderness
- MacEwan sign (cracked pot sound) = INC ICP, abscess & hydrocephalus
- Craniosynostosis
What are premature fusion of the sagittal suture leading to expansion of the head from font to abck/forward and backward
Scaphocephaly
What condition has a premature closure of coronal suture that is shortened in the anteroposterior dimension?
Bachycephaly
What are diff category of Neonatal neurological examination?
Level of alertness CN nerves (CN I - XII)
Motor examination = tone & posture, motility & power, tendon reflexes & plantar response
Primary neonatal reflexes = moro reflex, palmar grasp, tonic neck response
Sensory exam
What are noted in mental status of neuro of the newborn?
level of consciousness
Orientation to person, place, & time (older pedia px)
Higher cortical functions
Language dunctions
Praxis
Grapho-motor/visuo-motor skills
What is the Pedia Glasgow coma scale threshold?
15 = normal & awake
<8 = sevre injury; traumatic brain injury
3 = brain dead
What is the normal Pediatric glasgow coma scale accdg to age?
Birth-6 months = 9
7-12months = 11
1-2 yrs = 12
2-5 yrs = 13
>5 yrs = 14
What are pediatric GCS & their scoring?
Eye opening
- spontaneous = 4
- to touch = 3
- to pain = 2
- none = 1
Verbal
- oriented = 5
- words = 4
- vocal sounds = 3
- cries = 2
- none = 1
Motor
- obeys command = 5
- localizes to pain = 4
- flexion to pain = 3
- extension to pain = 2
- none = 1
How do u check for visual acuity of pedia px?
Standard visual charts = toddlers
Blink reflex to bright light = 28 wks gestation
What is double simultaenou presentation?
- 2 obejcts are presented at the same time
- If px prefers 1 object, switch the objects and see if the baby still looks at the preferred object
- If they do not follow that object -> there may be a problem
What is noted in Fundoscopy of pedia px?
Shaken infant syndrome = caused by head trauma, whiplash, forceful shaking —> RETINAL HEMORRHAGE
What is indicated is there is Leukocoria in the red reflex test for pedia px?
Abnormal
- no red reflex -> opacity of the cornea of the lens
What is the afferent & efferent limb of Pupillary light reflex?
Afferent limb: CN II
Efferent limb: CN III
What syndrome is seen if there is interruption of the sympathetic innervation to the pupil characterized by ptosis, miosis, & unilateral facial anhidrosis?
Horney syndrome
What are signs of lesion in the brainstem for pupils of comatose px?
Diencephalon (reached this) => pupils become small & reactive
Tectum = large & fixed
Midbrain = remain in midposition & fixed
Pons = pupils are tiny & pinpoint
Medulla = irreversible
CN III involvement = blown, asymmetric, dilated, fixed pupil in one side
What is assesed in eye movements for Oculocephalic vestibular reflex?
Doll’s eye phenomonenon
At what age does conjugate eye movements present?
25 wks AOG
What are the 3 types of diplopia?
- unilateral CN III (CN III palsy)
- Vertical diplopia
- Horizontal diplopia
What is seen in CN III palsy?
eye deviates down & out with associated ptsois and a dilated mydriatic pupil
what CN is affected in vertical diplopia?
Trochlear nerve (palsy to)
how does Vertical diplopia present?
wjen the px is asked to see an object, double vision is vertical -> second image of the targeted object apepars above or below the actual target
What CN is affected in Horizontal diplopia?
CN VI (palsy)
how does Horizontal diplopa present?
when the px is asked to see an object, double vision is horizontal
in what cases do we see Horizontal Diplopia more often?
px who have progressive INC ICP caused by a tumor
what is seen when there is rhymthmic oscillations of one or both eyes?
nystagmus