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EEG Patterns 03

Topic: Physiology

Created on Wednesday, October 10 2007 by jdmiles

Last modified on Wednesday, October 10 2007.

This is an eeg from a 9 year-old boy who has a history of staring spells.  The patient is hyperventilating during this portion of the recording.  Based on this one page, which of the following statements about this EEG is most accurate?


 
        A) This EEG shows hypnogogic hypersynchrony
 
        B) This EEG shows a slow background rhythm suggestive of encephalopathy
 
        C) This EEG shows a slow generalized spike and wave pattern suggestive of epileptiform activity
 
        D) This EEG shows a marked asymmetry, suggestive of a focal dysfunction
 
        E) This EEG is normal
 

 


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This question was created on October 10, 2007 by jdmiles.
This question was last modified on October 10, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) This EEG shows hypnogogic hypersynchrony

This answer is incorrect.


This EEG shows slowing during hyperventilation, which is a normal variant.  No hypnogogic hypersynchrony is seen.  (See References)

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B) This EEG shows a slow background rhythm suggestive of encephalopathy

This answer is incorrect.


This EEG shows slowing during hyperventilation, which is a normal variant.  (See References)

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C) This EEG shows a slow generalized spike and wave pattern suggestive of epileptiform activity

This answer is incorrect.


This EEG shows slowing during hyperventilation, which is a normal variant.  No spike and wave pattern is seen  (See References)

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D) This EEG shows a marked asymmetry, suggestive of a focal dysfunction

This answer is incorrect.


This EEG shows slowing during hyperventilation, which is a normal variant.  No significant asymmetry is seen.  (See References)

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E) This EEG is normal

This answer is correct.


This EEG shows slowing during hyperventilation, which is a normal variant.  (See References)

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References:

1. John M. Stern; consulting editor, Jerome Engel, Jr. . Philadelphia : Lippincott Williams & Wilkins, c 2005. (ISBN:0781741246)Advertising:
2. [edited by] Kerry H. Levin, Hans O. LÚºuders. . Philadelphia : W.B. Saunders, c2000. (ISBN:0721676561)Advertising:
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physiology
EEG Patterns 03
Question ID: 101007072
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 10/10/2007
Modified: 10/10/2007
Estimated Permutations: 600

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