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40 Cards in this Set

  • Front
  • Back

What are the 5 questions you MUST ASK?

1. Functional/oranic


2. Level?


3. Focal or diffuse?


4. Mass or non-mass?


5. Cause?

What is agnosia?

1. Inability to interpret sensations and hence to recognize things


2. Occipitotemporal border

What is apraxia?

1. Inability to perform particular actions


2. Frontal and parietal lobes


What is aphasia?

1. Inability to understand or express speech


2. Frontal and temporal lobes

What are the dominant hemisphere deficit signs?

1. Dysphasia


2. Dysgraphia


3. Auditory agnosia


4. Word agnosia

What is the non-dominant hemisphere in charge of?

1. Emotion


2. Awareness of body schemes and spatial relationships


3. Nonsyntactic components of language


4. Prosody

What are the findings of non-dominant hemisphere lesions?

1. Extinction


2. inattention---blindness


3. Depression

What is usually the first sign of Parkinson's?

1. Loss of smell

How do you test the optic nerve?

1. Visual fields


2. Fundoscopy

What is the function of CNs II, IV, and VI?

1. Moves eyes


2. III constricts pupil

What leads to bitemporal hemianopia?

1. Pituitary enlargement

What is the MCC of visual extinction?

1. Contralateral parietal lesions

What is amaurosis fugax?

1. Blindness that comes and goes


2. Due to microemboli in ICA


3. "Cherry red spot" inside of fovea

What is a scotoma?

1. Blind spot


2. Black=retinal disease


3. Blank spot=optic nerve lesion

What is the MCC of pailledema? How does it usually present?

1. ICP


2. Impedes retinal venous return


3. Usually presents as a blind spot

What are the ssx of acute anterior optic neuritis? What is the progression?

1. Physician sees swollen disc, patient is blind


2. Usually unilateral


3. Sudden visual loss progresses over 1-2 weeks, recovery 4-6w later

What is acute retrobulbar neuritis? Progression?

1. Physician sees nothing


2. Patient sees nothing


3. Optic nerve issue


4. Visual loss is sudden, painless, and does not improve

What is optic atrophy? Progression?

1. Small, pale sharply marginated optic disc


2. Denotes old nerve injury


3. Blindness in one eye that resolves after 4-6 w

With what diseases is optic atrophy associated?

1. MS


2. Optic neuritis


3. Papilledema

What controls construction of the pupil?

1. Pretectal nucleus---> Edinger-Westphal nucleus---> ciliary ganglion---> iris


2. Parasympathetic

What dilates the pupil?

1. Sympathetic hypothalamic cervical cord pathway at T2


2. Superior cervical ganglion, postganglionic fibers along CIA to pupillary-dilator muscles

What is anisocoria?

1. Unequal pupils in low, ambient, and bright lights


2. Test with swinging flashlight test


3. Often disappears by 2nd exam

What are the ssx of Horner's? Cause?

1. Ptosis


2. Miosis


3. Anhydrosis


4. Medullary infarction, T1 root injury, Pancoast tumor, carotid atherosclerosis

What is Wallenberg's syndrome?

1. Infarction of lateral medullary tegmentum


2. Facial pain


3. Ataxia


4. Horner's syndrome


5. Dysphagia, dysarthria

What is the MC form of brainstem stroke from a thrombosis of PICA?

1. Wallenberg syndrome

What are Argyll Robertson pupils?

1. Accommodate but won't react

What is iridoplegia? MCC?

1. No reopens or accommodation in left eye


2. MCC: atropinic agents: scopolamine, eye drops

What leads to complete CN III palsy?

1. Compression (aneurysm)


2. Down and out eye


3. Ptosis of upper lid


4. Pupil dilated and unreactive to light

What is the MCC of incomplete CN III palsy?

1. DM---- central of nerve, not periphery

What are the ssx of CN IV palsy?

1. Reduced downward and inward gaze


2. Head tilt away from affected eye

What are the ssx of CN VI palsy?

1. Loss of lateral deviation of eye

What is intranuclear ophthalmoplegia?

1. Lesion of medial longitudianal fasciclus between C3 and C6


2. Eyes do not cross over

What is Parinaud syndrome?

1. Defective up and down gaze


2. Seen with pineal tumors, women in 20s/30s with MS, older pts. following stroke of upper brainstem

What are saccades?

1. Brain gets bored, eyes move


2. Helps track movements in space

What is jerk nystagmus? What does it indicate?

1. Phases of unequal velocity


2. Unidirectional


3. Indicates vestibular or brainstem abnormality

What is pendular nystagmus? What does it indicate?

1. Phases of equal velocity


2. Bidirectional


3. Indicates a brainstem abnormality

Why should you test for optokinetic nystagmus?

1. Temporal-parietal-occipital lesions


2. Visual acuity in infants beginning at 4-6 mos.


3. Visual function in patients with depresses consciousness


4. Provide a clue to presence of psychogenic visual loss (if present, patient not blind)

When does afferent pupillary defect occur?

1. When patient is blind and cannot sense light


2. Optic nerve issue

What is Adie's Homes syndrome?

1. Tonic pupil in presence of decreased DTRs in lower extremities

When is ideomotor apraxia more complicated?

1. In sequential activities