Differentiating Dementia

by Roy Strowd, MD

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    00:00 Now let's put it altogether and in this table we're going to walk through the 4 most common causes of dementia and look at their differentiating features. We're going to talk about Alzheimer's disease, frontotemporal dementia, dementia with Lewy bodies, and vascular dementia and look at the onset of symptoms, the types of cognitive dysfunction, and the presence of motor symptoms. With Alzheimer's disease, we see an insidious onset, a decline in memory and executive dysfunction, and motor symptoms are typically rare. Frontotemporal dementia occurs typically at an earlier onset of age. We see declines in executive function, frontal tasks like speech, and temporal tasks like semantics and verbal fluency. And motor symptoms can be seen but only in selected cases. In dementia with Lewy bodies, we see an insidious onset. The cognitive modalities that are affected include visual spatial dysfunction and early visual hallucinations as well as the potential for neuroleptic sensitivity and we see prominent motor symptoms, Parkinsonian symptoms, rigidity, bradykinesia and postural instability that follow closely to the cognitive symptoms. And in vascular dementia we see a stepwise progression. With decline in executive dysfunction and the presence of motor symptoms varies with the presence of prior arterial strokes and the location of the lesion.

    About the Lecture

    The lecture Differentiating Dementia by Roy Strowd, MD is from the course Other Dementias.

    Included Quiz Questions

    1. Multiple system atrophy
    2. Alzheimer dementia
    3. Vascular dementia
    4. Dementia with Lewy bodies
    5. Frontotemporal dementia

    Author of lecture Differentiating Dementia

     Roy Strowd, MD

    Roy Strowd, MD

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