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srf
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06/08/06 - 09:12 AM             #1

Which one of the following best differentiates the tremor of Parkinson's disease from essential tremor?

Cycle frequency

Part of the body affected

Occurrence at rest

Age at onset




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MDcooper
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06/08/06 - 10:12 AM             #2

I would go with occurence at rest.Essential occue while hand is being used and parkinsons at rest or while walking...

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aml
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06/08/06 - 11:29 AM             #3

occurence at rest

drk1980
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06/08/06 - 04:43 PM             #4

agree

AAAAA
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06/08/06 - 05:22 PM             #5

D

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AAAAA
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06/08/06 - 05:24 PM             #6

Rest or Resting Tremor
Resting tremor occurs when a body part is at complete rest against gravity. Tremor amplitude decreases with voluntary activity. Examples of resting tremor are provided in Table 1.

Postural Tremor
Postural tremor occurs during maintenance of a position against gravity and increases with action.
Action or Kinetic Tremor
This form of tremor occurs during voluntary movement. Table 2 lists examples of postural and action tremors.
Task-specific Tremor
This tremor emerges during specific activity. An example of this type is primary writing tremor.
Intention or Terminal Tremor
Intention tremor manifests as a marked increase in tremor amplitude during a terminal portion of targeted movement. Examples of intention tremor include cerebellar tremor and multiple sclerosis tremor.


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chemamr
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06/08/06 - 06:36 PM             #7

parkinson: rest

essential: postural


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AAAAA
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06/08/06 - 07:47 PM             #8

They have a few questions on tremor in the USMLE and IM Board exam ! I was surprised !

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