Neurology - Part 1 of 2 Flashcards
Visual problem in pituitary tumor compressing optic chiasm (10x)
BITEMPORAL HEMIANOPSIA
Unsteady gait, appendicular ataxia in LE only and normal eye movement. Walks with lurching broad-based gait. (8x)
CEREBELLAR DEGENERATION (ALCOHOLIC)
Severe occipital HA, BL papilledema and no other abnormalities. Chronic acne treated with isotretinoin. Lumbar puncture elevated opening pressure with no cells, 62 mg/dl glucose, and 22mg/dl protein. CT is normal. (7x)
PSEUDOTUMOR CEREBRI
66 y/o c/o frequent falls, several-month hx of anxiety, unwillingness to leave home. On exam, mild impairment of vertical gaze on smooth pursuit/ saccades, mild axial rigidity & minimal rigidity of upper extremities, along w mild slowness of movement on finger tapping, hand opening & wrist opposition. Posture nml. Gait tentative/awkward, but w/o shuffling, ataxia, tremor. Pt is slow in arising from a chair. Most likely dx: (7x)
PROGRESSIVE SUPRANUCLEAR PALSY
79 y/o pt with a deteriorating mental state over a 3-week period has an exaggerated startle response with violent myoclonus that is elicited by turning on the room lights, speaking loudly, or touching the pt. Myoclonic jerks are also seen. Diagnosis: (5x)
SPONGIFORM ENCEPHALOPATHY
Pt presents with a slowly progressive gait disorder, followed by impairment of mental function, and sphincteric incontinence. No papilledema or headaches are reported. Likely diagnosis? (4x)
NORMAL PRESSURE HYDROCEPHALUS
65 y/o pt fell several times past 6 mos. MSE nml. Smooth pursuit, saccadic movements impaired. Worse w vertical gaze. Full ROM w doll head maneuver. Mild symmetric rigidity/bradykinesia, no tremor. MRI/CSF/labs unremarkable. Dx? (4x)
PROGRESSIVE SUPRANUCLEAR PALSY
28y/o with emotional lability and impulsivity. LFT’s elevated. Close relative had similar sx and died at 30y/o from hepatic failure. Which blood level would be diagnostic? (3x)
CERULOPLASMIN
Pt w/ acute onset of pain and decreased vision in the R eye. Colors look faded when viewed through the R eye. On exam, has a R afferent pupillary defect and a swollen right optic disc. Pt spontaneously recovers over the next 6 wks. Likely to develop later: (3x)
MULTIPLE SCLEROSIS
9 y/o F has 3 month h/o seemingly unprovoked bouts of laughter. Worse when not sleeping well. Pt does not feel happy during these episodes. Started menstruating 6 months ago, and at Tanner stage 4. Dx? (2x)
HYPOTHALAMIC HAMARTOMA
5 y/o with 4 month history of morning HA, vomiting, and recent problems with gait, falls, and diplopia: (2x)
MEDULLOBLASTOMA
70 y/o develops flaccid paralysis following severe water intoxication. He develops dysphagia and dysarthria without other cranial nerve involvement. Sensory exam is limited but grossly normal, DTR’s are symmetric, and cognition is intact. Likely dx: (2x)
CENTRAL PONTINE MYELINOLYSIS
Young adult gained 70 lbs in last year c/o daily severe headaches sometimes associated with graying out of vision. Papilledema present. CT and MRI brain no abnormalities but ventricles smaller than usual. Goal of treatment in this case: (2x)
PREVENT BLINDNESS
Superior homonymous quadrantic defects in the visual fields result from lesions to which of the following structures? (2x)
TEMPORAL OPTIC RADIATIONS
Tremor with a frequency of around 3 Hz, irregular amplitude, most evident towards the end of reaching movements: (2x)
CEREBELLAR TUMOR
Pt with several days of fever and severe headaches presents to ED b/o generalized seizure. Pt is confused and somnolent. Also reported to have been irritable and has c/o foul smells. T2 MRI displayed (hyperintensity of left temporal): (2x)
HERPES ENCEPHALITIS
Acute onset of fever, sore throat, diplopia, & dysarthria. Exam reveals an inflamed throat, left adductor nerve palsy w/ impairment of vertical pursuit, diffuse hyperreflexia w/ bilateral clonus, lower ext spasticity, & mild right hemiparesis. CT is uninformative. Spinal fluid has protein of 24, 10 mononuclear cells, and glucose of 70. Dx? (2x)
MULTIPLE SCLEROSIS
Which is the most reliable finding from CSF analysis for a pt with multiple sclerosis in the chronic progressive phase of the dz? (2x)
PRESENCE OF OLIGOCLONAL BANDS
Benign intracranial HTN etiology: (2x)
HYPERVITAMINOSIS A
Gait abnormality, slow movement, asymmetric UE rigidity. Difficulty in voluntary vertical upward/downward gaze. Slowness/rigidity improved slightly with levodopa. Later has problems with horizontal & vertical gaze. Oculocephalic reflexes normal. Involuntary saccades. (2x)
PROGRESSIVE SUPRANUCLEAR PALSY
Pt with several days of fever and severe headaches presents to ED b/o generalized seizure. Pt is confused and somnolent. Also reported to have been irritable and has c/o foul smells. T2 MRI displayed (hyperintensity of left temporal): (2x)
HERPES ENCEPHALITIS
Pt presents with personality changes, cognitive difficulties, affective lability, and olfactory and gustatory hallucinations. The most likely medical cause of this presentation is: (2x)
HERPES SIMPLEX VIRUS (HSV) INFECTION
What condition is a forerunner of MS? (2x)
TRANSVERSE MYELITIS
Head injury with personality changes, impulsivity and euphoria. Site of injury?
ORBITOFRONTAL CORTEX
What is the transmissible element that causes progressive decline and myoclonic jerks. Brain biopsy shows spongiform changes?
PRION
Kluver-Bucy syndrome: placisity, hyperorality, hypersexuality and hyperphagia, can be induced in animals with bilateral resection of which structure?
TEMPORAL LOBES
Most common psych complication from TBI
DEPRESSION
Executive dysfxn comes from damage to?
FRONTO-SUBCORTICAL
36 yo pt w/ double vision, vertigo, vomiting, paresis of medial rectus on lateral gaze w/ coarse nystagmus in abducting eye w/ lateral eye movement
MULTIPLE SCLEROSIS
35 yo pt w/ new onset headache, what suggests mass lesion w/ raised ICP?
PAPILLEDEMA ON EYE EXAM
Aphasia secondary to lesion in posterior third of left superior temporal gyrus
WERNICKE
57 y/o has new onset speech difficulty cannot name objects and sometimes cannot say “yes or no” and cannot repeat “no ifs, ands or buts” but can follow verbal and written commands. No problems with chewing/swallowing. What is the condition? (x2)
BROCA’S APHASIA
5 y/o presents w/ sudden onset of slurred speech and gait difficulty. Exam shows truncal ataxia and nystagmus, mild dysarthria and extensor plantar responses. Recent h/o measles. MRI, UA, blood work unremarkable. Dx?
ACUTE CEREBELLITIS
Abulia refers to impairment in ability to:
SPONTANEOUSLY MOVE AND SPEAK (inability to act decisively, absence of willpower)
Prosopagnosia is:
INABILITY TO RECOGNIZE FACES
Inability to recognize objects by touch:
ASTEREOGNOSIS
Which cancer has the highest likelihood of going to brain?
LUNG
Etiology of meningitis assoc with fever, HA, CSF pleocytosis with lymphocyte predominance, slightly elevated CSF protein, and normal CSF glucose
COXSACKIE VIRUS
Most common solid tumor of the CNS in kids
NEUROBLASTOMA
75 yo patient evaluated for progressive gait, urine incontinence, and cognitive decline. After removal of csf, there is improvement in gait and balance. What would CT show?
ENLARGEMENT OF THE FRONTAL HORNS
41 y/o chronic fatigue, cognitive impairment, reduced perceptual motor speed, poor effort maintenance, and irritability (MRI: hyperintensity in frontal lobe and what looks like a finger protrusion)
MULTIPLE SCLEROSIS
25 y/o pt c/o severe HA and vomiting. Pain is dull and mostly in occipital region. Exam: b/l severe papilledema, otherwise WNL. LP: opening pressure: 200mmH2O, no cells, 62mg/dl glucose, 31 mg/dl protein. CT: normal. Dx?
PSEUDOTUMOR CEREBRI
Histology consistent with Jakob-Creutzfeldt disease
CYTOSOLIC VACUOLATION OF NEURONS AND GLIA WITH PRION INCLUSIONS
Dx for 68yo c/o falls. PE shows upright rigid posture, stiff gait, extended knees, and pivoting while turning.
PROGRESSIVE SUPRANUCLEAR PALSY
Diagnosis of 32yo woman w/ vertigo and INO
MULTIPLE SCLEROSIS
A 66 yo complains of frequent falls. ON exam, the pt has difficulty with upward gaze, and has severe axial rigidity which is less apparent in upper or lower extremities. There is mild slowness of movement on finger tapping, hand opening and wrist opposition and the patient’s fingers acquire cramped pastures with the effort of the task. The pt’s neck posture is extended. Gait is somewhat slow, with short steps, and The pt is slow when arising from a chair. What is most likely diagnosis?
PROGRESSIVE SUPRANUCLEAR PALSY
70 y/o pt develops confusion, lethargy, and generalized tonic-clonic seizure. Lab reveals serum sodium of 95mEq/L. This is most likely a complication of excessively rapid correction of which metabolic problem?
CENTRAL PONTINE MYELINOLYSIS
Hippocampal atrophy has been identified in all of the following disorders:
MDD, ALZHEIMER’S DISEASE, PTSD. (NOT DISSOCIATIVE AMNESIA)
Severe occipital HA, BL papilledema and vomiting. Just started birth control pills. Lumbar puncture elevated opening pressure with no cells, 62 mg/dl glucose, and 31mg/dl protein, RBC 400. CT is normal.
SAGITTAL SINUS THROMBOSIS
Condition most likely to account for the presence of cognitive impairment in a pt with untreated Hep C (HCV) infection and normal ammonia level who is HIV sero- negative:
HCV INFECTION OF BRAIN
Delayed neurological deterioration following carbon monoxide-induced coma is most likely manifested by:
PARKINSONISM
Causative agent of progressive multifocal leukoencephalopathy (PML):
JC VIRUS
Location of characteristic lesions seen in CT scans of pt with carbon monoxide poisoning associated comas?
GLOBUS PALLIDUS
68 y/o pt is depressed following a hip surgery. Pt is withdrawn, looks blank, shows dysarthria, weakness, PMR, hyperreflexia, and has trouble swallowing. MRI of the head will show:
PERIVENTRICULAR WHITE MATTER DEMYELINATION
Adult LP with opening pressure 190, protein 110, glucose 27, leukocytes 5,000. Dx?
BACTERIAL MENINGITIS
75 y/o M, Korean war veteran, with gradual development of forgetfulness and cognitive deterioration, presents with very fast /slurred speech and impaired gait. A head CT shows some generalized atrophy, unusual for his age. The LP show 35 WBC, lymphocytosis and the protein level is 110mg/Dl and elevated gamma globulin. Dx:
NEUROSYPHILIS
Inability to carry out motor activites on verbal command despite intact comprehension & motor function indicates?
APRAXIA
80yo pt is unable to blow out match although motor and sensory function are normal. What is this called?
APRAXIA
Most common cause of aseptic meningitis:
ENTERIC VIRUS
25 y/o M w 7 months depression, forgetfulness, weight loss, insomnia, painful tingling in both feet+incoordination. Involuntary choreic movements of B/L UE, apathetic, monosyllabic. Labs normal. EEG: mild diffuse slowing. CT/MRI nml. During admission develops severe akinetic mutism, seizures, dies. Brain autopsy shows:
DIFFUSE AMYLOID PLAQUES, SPONGIFORM NEURONAL DEGENERATION, AND SEVERE ASTROGLIOSIS
52 y/o pt with EtOH dependence present with several days of severe headache, nausea, and low grade fever. Physical exam reveals mild disorientation, nuchal rigidity, and mild spasticity in the lower extremities. A head CT is unrevealing. LP: 55/mm3 leukocytes (mostly lymphocytes), 45 mg/dl glucose, protein: 43 mg/dl, and presence of occasional gram positive spherical cells. The most likely causative organism is:
CRYPTOCOCCUS NEOFORMANS
CT & MRI show ventriculomegaly are out of proportion to sulcal atrophy. This is suggestive of what diagnosis?
NORMAL PRESSURE HYDROCEPHALUS
49 y/o pt with ETOH dependence is brought to the ED with a one-week history of malaise, headache, diplopia, lethargy and confusion. On examination, the pt has a temp of 38.2 C, stiff neck, medical deviation of the right eye with impaired abduction and hoarseness. CSF: 114 leukocytes, predominantly monocytes, a protein of 132mg/dl, and glucose of 29mg/dl. Likely type of meningitis:
TUBERCULOUS
Closed TBI, initially no LOC, then 20 minutes later LOC. Patient recovers in 5 minutes.
VASOVAGAL SYNCOPAL ATTACK
15 y/o pt fell to the ground after being hit in the head while playing soccer. Pt did not lose consciousness, but was confused for following 20min.The next day, pt reported a headache and irritable, neuro exam normal. Best recommendation to family about pt:
SHOULD BE EXAMINED IN 2 WKS BEFORE RESUMING PLAY
In ER following MVA, receives IV dextrose 5%. Experiences confusion, oculomotor paralysis, and dysarthria:
WERNICKE’S ENCEPHALOPATHY
Which of following is invariably the first manifestation of neurosyphilis?
MENINGITIS
14 y/o @ summer camp develops severe headache and fever, drowsiness, stiffness of neck on passive forward flexion, petechial rash and skin pallor. Spinal tap reveals opening pressure 200mm H20, 84%neutrophils (7,000 nucleated cells), glucose level of 128mg/dl, and protein level of 33mg/dl. Most likely causative agent?
MENINGOCOCCUS
Which hormone is secreted in functional pituitary adenoma:
PROLACTIN
Primary characteristic of Wernicke encephalopathy
ACUTE ONSET
52 y/o M presents with a chief complaint of gait difficulties. On exam: mild dysarthria, very mild finger to nose ataxia and minimal heel to shin ataxia. Romberg test: negative, but very unsteady while walking and walks with a broad-based, lurching gait. The plantar reflexes are flexor. Imaging studies are most likely to demonstrate:
CEREBELLAR VERMIS ATROPHY
75 y/o WWII veteran w/ gradual onset forgetfulness, intellectual deterioration, fast/slurred speech, gait impaired, CT with normal atrophy. LP: 35WBCs (most lymph), protein 110, increased gamma globulin. Dx?
NEUROSYPHILIS
41 y/o pt w/o family h/o corticocerebellar degeneration presents with 3-month h/o ataxia of gait/limbs, dysarthria, and progressive nystagmus. MRI and CSF normal. 1) Antibody panel with presence of? 2) What type of tumor is likely present?
1) ANTI-YO 2) OVARIAN CARCINOMA
MRI finding for woman with memory decline, urinary incontinence, and trouble walking
DILATION OF VENTRICLES
Effortful, nonfluent speech with decreased speech output; where is the lesion?
ANTERIOR FRONTAL GYRUS
A 50 yo BIB ED for SA by being in a closed garage with the cars running for several hours. CT brain 2 weeks later would show
LESION IN GLOBUS PALLIDUS
Which of the following tests is recommended by the American Academy of Neurology to establish the diagnosis of brain death?
APNEA TEST
Essential criterion for declaration of brain death prior to organ donation requires?
A POSITIVE APNEA TEST
43 y/o newly AIDS pt has increasing social withdrawal and irritability over several weeks. Can’t remember phone number, unable to do chores, appears distracted. Mild right hemiparesis, left limb ataxia, and bilateral visual field defects. LP: normal cell counts, protein, and glucose. T2 Scan is shown. What is the diagnosis:
PROGRESSIVE MULTIFOCAL LEUKOENCEPHALITIS
Risk factor for depression in MS patients
LESION VOLUME
Right handed pt recently underwent neurosurgery is now unable to name objects in left hand when blind folded. He was able to name them when displayed on a screen. Where was the surgery?
CORPUS CALLOSUM
Bilateral paresis of medial rectus muscle during lateral gaze with course nystagmus in abducting eye characteristic of:
MULTIPLE SCLEROSIS
82 year old with progressive dementia, myoclonus over 3 months. EEG shows periodic sharp waves with 1hz over both hemispheres. Dx?
CREUTZFELDT–JAKOB DISEASE
62 y/o M w/ DM is not making sense, saying “thar szing is phrumper zu stalking”. Normal intonation but no one in the family can understand it. He verbally responds to Qs w similar utterances but fails to successfully execute any instruction. (8x)
WERNICKE’S APHASIA
Chronic A-fib develops aphasia and R hemiparesis at noon. ER exam notes weakness of R extremities and severe dysfluent aphasia, but CT at 1:30 PM has no acute lesion. Most appropriate treatment: (4x)
TPA
Head CT w/ lens-shaped hyperdensity (x2)
EPIDURAL HEMATOMA
A life threatening complication of cerebellar hemorrhage is: (2x)
ACUTE HYDROCEPHALUS
A 72 yo patient had an embolic infarct in the middle cerebral artery territory. ECG shows no structural abnormalities. Doppler studies of the neck arteries reveal less than 50% occlusion on both carotid arteries. An EKG reveals AFib. Which of the following strategies has the best likelihood of reducing recurrent strokes in this patient? (2x)
ANTICOAGULATION WITH WARFARIN
68 y/o pt w/ hypertension develops rapidly progressing right arm and leg weakness, with deviation of the eyes to the left. Within 30 minutes of the onset of this deficit, pt became increasingly sleepy. Two hours after the onset, the patient became unresponsive. On exam: dense right hemiplegia, eyes deviated to the left, pupils: equal and reactive, a right facial weakness to grimace elicited by noxious stimuli. Cough and gag reflexes: present. Which CT finding is most likely? (2x)
LEFT PUTAMINAL HEMORRHAGE
A pt has multiple stroke like symptoms of short duration over several days. And has new onset symptoms for the last 90 minutes. CT scan shows no evidence of stroke or hemorrhage. What is the appropriate treatment? (2x)
INTRAVENOUS THROMBOLYTIC AGENTS
70 y/o pt was hospitalized because of a middle cerebral artery stroke. The psychiatrist was asked to evaluate the pt. The pt has non-fluent aphasia. Which most likely characterized the pt’s interaction with the psychiatrist? (2x)
THE PT WAS ABLE TO FOLLOW THE VERBAL REQUEST, “CLOSE YOUR EYES.”
Most common psychiatric presentation following a stroke? (2x)
DEPRESSION
Chiropractic adjustments are a known precipitant for which of the following acute conditions? (2x)
VERTEBRAL ARTERY DISSECTION
The most common complication of temporal arteritis is caused by occlusion of the: (2x)
OPHTHALMIC ARTERY
The most common possible cause of a posterior cerebral artery infarct in 36 y/o F with hx of migraine: (2x)
ORAL CONTRACEPTIVES
45 y/o with R hemiparesis, CT shows L internal capsule ischemic changes extending to adjacent basal ganglia + old lacunar injury of R caudate head. LP – 65 wbcs (mostly lymphocytes), 78 protein, 63 glucose, + reagin antibodies. Tx?
PCN
CT Head Large hypodensity on R frontal and parietal lobes
MCA STROKE W/ RESIDUAL L SIDED WEAKNESS
Contralateral leg weakness with personality changes is an injury where
ANTERIOR CEREBRAL
61 y/o with left frontal lobe damage secondary to cerebrovascular accident may be predisposed to which psychiatric syndrome?
MDD
72 y/o pt had a lacunar infarct in the middle cerebral artery territory. Echo is normal. Doppler studies of neck arteries reveal less than 50% occlusion on both carotid arteries. EKG is normal. The best strategies to reduce recurrent stroke:
ANTIPLATELET THERAPY WITH ASPIRIN AND DIPYRIDAMOLE
50 y/o pt recently began having VH of children playing. VH are fully formed, colorful and vivid, but with no sound. Pt is not scared or disturbed, but rather amused. On exam, normal language, memory, cranial nerves, no weakness or involuntary movement, no sensory deficits. DTR: symmetric. CSF/UDS nml.
POSTERIOR CEREBRAL ARTERY ISCHEMIA
Why would brains >65 years old or a history of alcoholism more susceptible to chronic subdural hematoma?
CORTICAL ATROPHY (LONGER DISTANCE FOR BRIDGING VEINS TO BE DAMAGED)
What is the most common manifestation of acute neurosyphilis?
STROKE
65 y/o pt wakes up with right-sided hemiparesis and motor aphasia. Pt is immediately brought to the emergency department and an evaluation is completed within 1 hour. Neurological exam: no additional abnormalities. Head CT w/o contrast: no additional abnormalities. Which is the appropriate next step in management?
ASPIRIN
Abnormal elevated metabolic findings associated with increased risk of stroke in patients under 50
PLASMA HOMOCYSTEINE
Acute onset of dense sensorimotor deficit in the contralateral face and arm, with milder involvement of the lower extremity, associated with gaze deviation toward the opposite side of the deficit, likely indicates occlusion of:
SUPERIOR DIVISION OF THE MCA
CT scan with occipital and intraventricular hyper-intensities:
PARENCHYMAL HEMORRHAGE
Which med has secondary prevention against embolic stroke in pts with A-fib?
ORAL WARFARIN
As opposed to strokes caused by arterial embolism or thrombosis, those caused by cerebral vein or venous sinus thrombosis are:
ASSOCIATED WITH SEIZURES AT ONSET
Pt who 5 days ago experienced a ruptured aneurysm located in the left middle cerebral artery develops a fluctuating aphasia and hemiparesis with no significant headaches. Underlying event:
VASOSPASM
63 y/o with new onset aphasia and R hemiparesis, 2 days ago had milder/similar symptoms that resolved in 30 minutes, yesterday had similar episode x 45 minutes. Current Sx started 1.5 hrs ago. CT shows no stroke or hemorrhage. Tx?
INTRAVENOUS THROMBOLYTIC AGENTS
57 y/o diabetic pt =w/ HTN c/o several episodes of visual loss, “curtain falling” over his L eye, transient speech and language disturbance, and mild R hemiparesis that lasted 2 hrs. Suggests presence of what?
EXTRACRANIAL LEFT INTERNAL CAROTID STENOSIS
Head injury, LOC -> lucid interval x hours -> rapid progressing coma. Hemorrhage?
EPIDURAL
Poststroke depression in 80 yo pt (R handed) is assoc w cognitive impairments that:
CORRELATE WITH LEFT HEMISPHERIC INVOLVEMENT
66 y/o M in ED w/ sudden occipital HA, dizziness, vertigo, N/V, unable to stand, mild lethargy, slurred speech. Exam: small reactive pupils, gaze deviated to the R, nystagmus, w/ occasional ocular bobbing, R facial weakness, decreased R corneal reflex, truncal ataxia, b/l hyperreflexia, b/l Babinski. Dx?
CEREBELLAR HEMORRHAGE
50 y/o pt is in the ED for acute onset of neck pain radiating down the left arm, progressive gait difficulty, and urinary incontinence. This test should be administered immediately:
MRI SCAN OF THE CERVICAL SPINE TO EXCLUDE A DIAGNOSIS OF SPINAL CORD COMPRESSION.
In managing acute ischemic stroke, administer this within 48 hrs of onset of stroke for beneficial effect in reducing risk of recurrent stroke, disability and death:
ASPIRIN
70 y/o pt w/ attacks of “whirling sensations” w/n/v, diplopia, dysarthria, tingling of lips. Occurs several times daily for 1 minute, severe that pt collapses and is immobilized when symptoms start. No residual s/s, no tinnitus, hearing impairment, ALOC or association with any particular activity. Dx?
VERTEBROBASILAR INSUFFICIENCY
Vascular lesion most characteristic of sudden severe headache, vomiting, collapse, relative preservation of consciousness, few or no lateralizing neurological signs, and neck stiffness:
SUBARACHNOID HEMORRHAGE
Head CT demonstrates which dx (grainy picture with diffuse speckling in posterior region, unilateral)
SUBARACHNOID HEMORRHAGE