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147 Cards in this Set
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- Back
Aphasia(Dysphasia)
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loss or impairment of language function as a result of damage to the language center
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Dysarthria
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disturbance in articulation of speech(pt knows what they want to say but can't)
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Anomia
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difficulty recalling names of objects
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Brocca's Aphasia
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disruption in FLUENCY of speech, with impairments in expression of speech and writing
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Wernicke's Aphasia
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inability to comprehend spoken or written word; speak fulently but meaningless
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Conduction Aphasia
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inability to repeate a spoke phrase-normal comprehension
Lesion in arcuate fasiculus connecting broca and wernicke |
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Global Aphasia
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Large lesion in frontal lobe, all aspects of language are affected
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Agnosia
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Inability to recognize sensory stimulus despite preserved sensory function
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Prosopagnosia
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cant recognize familiar faces
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Apraxia
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inability to perform learned motor tasks despite sufficient memory and sensoriomotor function
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Extinction
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presented with bilateral stimuli responds to ipsilateral stimuuli
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Anosognosia
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lack of awareness of deficit
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Amnesia
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degeneration of hippocampus or its connections= inability to form new memories
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Concussion injuries
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retrograde amnesia and mild anterograde amnesia
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Transient global amnesia
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>65y/o, abrupt amnesia for <12hrs
cause:emotion, physical activity,sex, cold h2o |
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Korsakoff's syndrome
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untreated or partially treated wernicke's encephalopathy from Thiamine deficiency
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symptoms of Korsakoff's
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1.)Confusion
2.)Gait ataxia 3.)nystagmus 4.)opthalmoparesis |
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If Korsakoff untreated
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inability to form new memories
Chronic: confabulate freely |
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Psychogenic amnesia
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affects long term memory as well as recent, unable to recall own name
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Organic amnestic states
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short term memory affected and disorientation greatest for time and place but never self
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Dementia
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progressive loss of intellectual function
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Specific abnormalities of cognition
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1.)language
2.)spatial processing 3.)Praxis |
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Cortical dementia symptoms
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1.) change in memory
2.)language deficits 3.)perceptual deficits 4.)praxis |
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examples of cortical
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Alzheimers
DLB vascular dementia |
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Alzheimers
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progressive loss of cortical neuronsand formation of amyloid plaques and neuro tangles
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Alzheimers cause
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deficiency of cortical acetylcholine
TX:acetylcholinesterase inhibitors |
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Clinical features of AD
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1.)memory
2.)Orientation 3.)depression 5-15yrs progression |
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DLB
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hallmark of Parkinsons when inclusion at brain stem
2nd most common |
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DLB treatment
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Levadopa/carbidopa=motor
AchE inhib=psych SSRI=depression |
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Vascular dementia
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early incontinence, gait disturbances, flattening effect
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Pick's disease
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pts are irascible and socially disinhibited; progressive
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Parkinson's disease
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Tx:dopamine agonists=motor
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Normal pressure hydrocephalus
CLINICALLY |
1.)dementia
2.)gait instability 3.)urinary incontinence Sx evolve over weeks to months |
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what does teh CT reveal in NPH?
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ventricular enlargement
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Creutzfeldt Jacob
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subacute, dementing, transmissible
70% have myoclonus PRION PROTEIN |
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when is the onset of C-J?
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40-75y/o
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what are the risk factors for CVA?
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1.)Hypertension
2.)Heart Dz 3.)Previous stroke/TIA 4.)smoking 5.)Obesity |
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Vascular origin stroke
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1.)thrombotic
2.)embolic 3.)Hypoxia 4.)Lacunar 5.)Hemorrhagic |
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Thombotic
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most common in carotid or MCA
Occlusion of large blood vessel Progress slowly |
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Embolic
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Platlets, choles, fibrin break off arterial wall or heart
Abrupt onset affects distal, small cortical vessels |
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Lacunar
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small blockage in arterioles
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Hemorrhagic
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increase ICP
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Stroke
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neurologic defects that last at least 24hrs
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Recurrent TIA with similar effects??
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Thrombotic
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Recurrent TIA w/ different?
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embolic
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Test for stroke
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MRI
doppler echo ESR-inflammation lupus, etc |
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Treatment of stroke?
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Tpa within 3hrs onset
Heprin/asa-unclear r-proUK:intra-arterial therapy 6hrs |
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Do you bring down BP with stroke?
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slowly, but not to a normal range in first few days
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Other TX for stroke
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O2:mechanical vs supplemental
glucose needs managing No oral feeding for 24hrs check for Pneumonia Cardiac status DVT Seizures |
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Cerebral edema
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most common cause of deteriation and death, 24-96hrs
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Cytotoxic
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water and sodium with white matter
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Vasogenic
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salt and water with white and gray matter
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Symptoms of cerebral edema
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1.)drowsiness
2.)occular and abducen palsy 3.)breathinbg problems 4.)Babinski contralateral to hemiparesis |
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Tx of Cerebral edema
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1.)intubation and hyperventilation to induce vasoconstriction & decreased ICP
2.)Mannitol |
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Prevention
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1.)BP,120/80 with diuretics and ACE
2CEA:if ipsilateral severe stenosis |
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Hypertensive encephalopathy
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cerebral effects not caused by infarction or hemorrhage
BP very high MED EMERGENCY!!! |
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Symptoms of Hypertensive encephalopathy
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1.)HA
2.)visual disturbances 3.)confusion 4.)drowsiness |
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Intracerebral Hemorrhage (ICH)
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Diffuse or focal
Hypertensive ICH:lacunar infar |
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Charcot-Bouchard aneurysms
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microaneurysims
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Symptoms of ICH
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WORST HEADACHE OF LIFE!!
seizures LOC during first 24-48hrs |
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DX of ICH
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CT scan
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Management of ICH
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manage mass effects
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Fusiform aneurysms
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dilation of large arteries, basilar or ICA
Rarly rupture but compress |
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Mycotic aneurysm
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context of bacterial endocarditis
distal and multiple septic emboli Surgery if not treated with ABX |
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saccular aneurysm
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form at arterial bifurcations
increaed in Marfans and PKD |
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Clinical Intercranial aneurysm
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severe HA w/neck pain
LOC and vomiting |
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sentinal hemorrhage
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less severe and HA resolves over 24-48hrs
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TX of aneurysms
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CT
LP Cerebral angiography gold stand |
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Management
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1.)reduce risk of bleed: bed rest, analgesics, sedation, laxatives
2.)Manage HTN |
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vascular malformations
Venous angiomas |
MOST COMMON
close to brain surface |
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Capillary telangiectases
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in brain stem
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Cavernous angiomas
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dialted sinus channels
found on CT rarely bleed |
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Arteriovenous malformations
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arteries connected directly to veins
HA, SEIZURES,HEMORRHAGE |
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TX AV malformations
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age of pt and location
>55y/o=conservitativly <55surgical |
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Acute transvere Myelitis
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rapidly developing paraparesis or paralgia as result of spinal cord dysfunction
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ATM
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Urinary or fecal incon common
Progress from min to days |
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Disordes causing ATM
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1.)lesions
2.)vascualr occlusion 3.)aortic disection 4.)AV malformation 5.)varicellar-zoster |
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Do pts ATM have any history of illness?
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Yes, URI or flu
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ADEM
Acute disseminated encephalomyelitis |
after viral infections or immunizations
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symptoms related to viral infection?
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6-10days after infection
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Clinical symptoms of ADEM
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1.)HA, fever, neuro signs
severe-delerium, stupor, coma |
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TESTS for ADEM
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CSF-pleocytosis and elevated gamma globulin with protein elevation
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Vertigo
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sensation of rotation
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what is the sensation of vertigo?
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rotation, pation sees room moving in direction opposite of slow nystagmus
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Peripheral vertigo
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pts has vertigo with nystagmus
fast phase directed away from affected ear |
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Central vertigo
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vertigo with no nystagmus
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Vestibular neuronitis
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attacks of peripheral vertigo w/o auditory disfunction
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Labryinthitis
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acute vertigo with autonomic symptoms-otitis or viremia
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peripheral vestibulopathy
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recurrent attacks w/other neuro signs w/ normal exam
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Nylen-Barany or Dix hallpike
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seated forward-supine w/ head over edge of table
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Peripheral nervous system disorder
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weakness is proximal and prob climbing
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Parkinsons DZ
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premature death of pigmented dopaminergic neurons in substantia nigra
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Risk factors for parkinsons DZ
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1.)family Hx
2.)male gender 3.)head injury 4.)rural living 5.)well water 6.)pesticides |
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reduce incidence of PD
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1.)smoking
2.)coffee 3.)NSAIDS 4.)estrogen |
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clinical features of PD
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1.)hand tremmor
2.)foot drag 3.)decreased arm swing 4.)micrographia 5.)masked faces 6.)cogwheeling 7.)postural instability |
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Tx for PD
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1.)Dopamine precursors(Carbidopa/levadopa)
2.) Dopamine agonist (Bromocriptine) 3.)anticholenergics(last resort) 4.) MAOI 5.)COMT |
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unwanted SE of of Tx
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1.)nausea
2.)orthostatic hypotension 3.)hallucinations 4.)Psychosis 5.)dyskinesias |
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Essential Tremor
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MOST COMMON CAUSE TREMOR
Both sides of body ETOH relieves |
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How do you treat ET
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B-blocker
anti-seizure |
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Dystonia
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sustained muscle contractions resulting in abnormal postures
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Wilsons DZ
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new onset of hyperkinesia or PD in young adult
Psycosis common |
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Testing for WD
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24hr urine for copper
serum copper |
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Sydenham's chora
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childhood-post infection complication of b-hemolytic strep
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drug induced chorea
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isonazid, lithium, OC
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metabolic causes of hyperkinetic disorder
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thyrotoxicosis
hypoparathyroidism hypomagnesemia |
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ALS
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degeneration of motor neurons at all levels of CNS
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inital symptoms ALS
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1.)weakness
2.)muscle wasting 3.)stiffness 4.)cramping 5.)muscle twitches hands and arms 6.)dysarthria and dysphagia |
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Ulnar Palsy symptoms
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muscle weakness
atrophy of 1st dorsal interosseous muscle and pt notices difficulty performing fine movements numbness of small finger |
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Meralgia paresthetica
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compression of lateral cutaneous nerve of teh thigh as it passes through inguinal ligament
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symptoms of Meralgia
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numbness or burning sensations over lateral thigh provoked by walking or standing
lose weight |
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GBS
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CSF:increase protein w/o pleocytosis
MOST COMMON CAUSE OF FLACID PARALYSIS |
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Name 5 infectious causes of GBS
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1.)C. Jejuni
2.)mono 3.)CMV 4.) Herpes 5.)Mycoplasma |
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SX of GBS:
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weakness in legs
reflex deminished |
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TX of GBS
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plasmapheresis, Immunoglobulin
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Myasthenia Gravis
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acetylcholine deficiency at motor end plate
FEMALE |
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Clinical of MG
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external occular muscles or voluntary muscle system
bilateral, assymetric PTOSIS and DIPLOPIA SNARL b/c of loss of facial nerves FATIGUE OF MUSCLES |
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Curtain sign
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worsening pitosis w/upward gaze
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DX of MG
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1.)Anticholinesterase test-curse fatigue for a few min
2.)electromyography 3.)AChR antibody test |
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Tx for MG
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1.)Anticholenesterase
2.)Thymectomy 3.)pred |
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Lambert-Eaton MG
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AI disorder
autoantibodies to calcium channels in pre-synaptic motor nerve terminals reduced AcH release LOWER LIMBS MORE INVOLVED |
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causes of seizures
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1.)stress
2.)sleep deprivation 3.)fever 4.)ETOH |
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are seizures higher in men?
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yes
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name 2 types of seizures
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1.)focal or partial
2.)generalized |
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simple partial seizure
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subjective sensory and psych phenom
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Complex seizure
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impair consciousness
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generalized seizures
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Tonic-clonic seizures lasting 90sec
GRAND MAL |
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Atonic seizures
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Drop attack children with diffuse encephalopathies sudden loss of muscle tone
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Rolandic epilepsy
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Benign: partial epilepsy of childhood w/ central midtempral spikes
Onset 4-13y/o occur at night |
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Cause of facial pain while eating
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1.)TMJ
2.)GCA 3.)Tooth 4.)Trigeminal nerve |
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facial pain while swallowing
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1.)glossopharyngeal
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Atypical facial pain
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nasal pharyngeal CA
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Burning Facial pain
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Tumor of 5th cranial nerve
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what organisms linked w/ community aquired Meningitis
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1.)S pneumonia
2.)N. Menin 3.) |
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classic triad for Meningitis
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1.)fever
2.)HA 3.)rigidity |
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Kernig sign
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supine positionbend knee and attempt to extend causes pain
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focal seizures w/ meningitis
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ischemia, infarction, edema
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Generalized seizures w/ meningitis
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fever, hyponatremia
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Clinical Meningitis
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ICP(LOC, papliodemapoor pupils, 6th nerve palsy)
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How do you Dx
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blood cultures and start meds
CSF-low glucose latex agglutination |
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Tx of meningitis
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60 min upon arrival with 3rd generation cephalosporin and vanco
add ampicillin for L.moncytogenes in ,3mo, .55, and cell mediated immunity |
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What is severe HA, stiff neck, no fever
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ICH
need LP for dx if hemorrhage is small or below foramen magnum |
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what should you think is there is Hx of amenorrhea or Galactorrhea?
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Pituitary adenoma
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Temporal arteritis
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causes blindness
in elderly |
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symptoms of TA
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1.)HA
2.)polymyaligia rheumatica 3.)jaw claudication 4.)fever 5.)wt loss |
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Quality of head pain in TA
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ice-pick, dull boring
scalp tenderness worse at night aggravated by cold |
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Labs for TA
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Sed rate and C-reactive protein
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Goals of Tx for migraine
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1.)relief of attack
2.)prevention of recurring KEEP MIGRAINE DIARY |