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29 Cards in this Set
- Front
- Back
What observation helps distinguish between dementia and delirium?
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Level of consciousness.
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What are the characteristics of active delirium?
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Hallucinations, Agitation
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What are the characteristics of passive delirium?
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Apathy, Withdrawal, Lack of Response
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What are the 2 hallmark features of delirium?
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Fluctuating alertness and inattention.
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What is the hallmark feature of an Alzheimer's patient who is asked to draw a clock?
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-Concrete or literal interpretation of the instructions***
(Patient put #'s on the clock in the opposite path, and the numbers are not aligned well along the margins of the circle) |
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Involved in differential diagnosis for delirium:
-A form of depression that produces prominent mental slowing and to some degree disexecutive trouble (i.e.difficulty with multi-tasking) -Patients often complain of having early Alzheimer's Disease rather than a mood disturbance -Neurologic testing and a good history will elicit some key features that will help in diagnosis. |
Pseudo-Dementia
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Involved in differential diagnosis of delirium:
-Meds that the patient is taking -Laboratory studies |
Toxic and Metabolic Disturbances
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Involved in the differential diagnosis of delirium:
-Syphilis -HIV |
CNS Infection
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Involved in the differential diagnosis of delirium:
-uncovered when structural scan is done -includes: stroke, hydrocephalus, or mass |
Structural Damage
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What types of effects may be observed when dementia drugs are given to a patient?
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Iatrongenic effects-a drug induced delirium can be superimposed onto a dementia that already exists
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What score on the MMSE correlates well with the presence of dementia?
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24 out of 30
(But does not differentiate between dementia and delirium) |
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When the patient has only had Alzheimer's Diseae for a short period of time, is MRI or CT helpful?
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NO
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Does Alzheimer's exhibit gradual or rapid progression?
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gradual
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What type of memory loss in Alzheimer's is the most prominent symptom?
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recent, episodic memory
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What is the most significant neurological finding in an Alzheimer's patient?
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Cognitive Impairment.
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In Alzheimer's imaging, during a later stage, what structures are reduced to 1/3 of their original volume?
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hippocampus and mesiotemporal lobe
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What functional imaging method is especially useful to help diagnose Alzheimer's in the beginning stages of the disease?
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PET
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What are the vast majority of Alzheimer's patient's treated with, that results in no change or only a modest improvement?
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cholinesterase inhibitor
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What type of dementia occurs with multiple focal strokes and is easy to diagnose?
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Vascular Dementia.
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The following are characteristics of what disease?
1.Sudden onset, step-wise decline 2.focal motor, sensory,reflex changes 3.abnormal structural imaging (infarct, ischemia): MRI 4.Hachinski Ischemic Scale Score |
Vascular Dementia
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What type of dementia has the following characteristics:
1.More insidious 2.Insidiously progressive, not stepwise 3.MRI shows extensive confluent white matter abnormalities on T2 and FLAIR imaging 4.Autosomal dominant disease CADASIL produces this type of dementia 5.The metabolic syndrome (diabetes,HTN,hypercholesteremia, &smoking) will also produce this type of dementia |
Atypical Vascular Dementia
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What illness has the following symptoms?
1.Dementia 2.Parkinsonism 3.Fluctuating Alertness/Attention 4.Visual Hallucinations (Faster progression, shorter survival) |
Dementia with Lewy Bodies
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1.When do hallucinations occur in Alzheimer's Disease?
2.When do hallucinations occur in Dementia with Lewy Bodies? |
1.During the later stages of the disease
2.During the early stages of the disease |
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What is the traid for normal pressure hydrocephalus?
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1.Gait Disorder
2.Mild Dementia 3.Urinary Incontinence |
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What is normal pressure hydrocephalus caused by?
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Problem with reabsorption of CSF and consequent fluid accumulation in adjacent white matter
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What types dementias first present to the psychiatrist as "late adult schizophrenia"?
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Frontal Lobe Dementias
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Clincially, what is the most rapdily progressive dementia?
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Creutzfeldt-Jakob Disease
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Startle myoclonus, ataxia, and EOM abnormalities are caused by what disease?
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CJD
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What tests are preferred over autopsy when diagnosing CJD? Why?
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EEG and CSF, b/c autopsy could spread the prion particle.
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