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Berrys's thing!

Topic: Adult

Created on Friday, May 29 2009 by rednucleus

Last modified on Saturday, June 6 2009.

A 54-year-old man presents to the ER with sudden severe headache that is turned out to be due to acute subarachnoid hemorrhage. With respect to subarachnoid hemorrhage (SAH), which one is the wrong statement?

 
        A) It is usually caused by a ruptured Berry aneurysm or arterio-venous malformation (AVM)
 
        B) Ruptured Berry's aneurysm is mostly seen during the 5th and 6th decades of life
 
        C) Cerebral AVMs are a very common cause of SAH world-wide
 
        D) Hypertension has not been conclusively demonstrated to predispose to the formation of the aneurysm
 
        E) Its annual incidence in the States is 6 per 100 000 populations/year
 

 


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This question was created on May 29, 2009 by rednucleus.
This question was last modified on June 06, 2009.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) It is usually caused by a ruptured Berry aneurysm or arterio-venous malformation (AVM)

This answer is incorrect.


Ruptured Berry's aneurysm is responsible for up to 75% of cases of non-traumatic SAH. It has an equal sex incidence in general. Ruptured AVMs are mainly seen in the 2nd to 4th decades of life. Acute elevation of blood pressure (e.g. at orgasm) may be responsible for aneurysmal "rupture," not development. Ruptured AVMs are responsible for only 10% of SAH cases (with somewhat male preponderance).   (See References)

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B) Ruptured Berry's aneurysm is mostly seen during the 5th and 6th decades of life

This answer is incorrect.


Ruptured Berry's aneurysm is responsible for up to 75% of cases of non-traumatic SAH. It has an equal sex incidence in general. Ruptured AVMs are mainly seen in the 2nd to 4th decades of life. Acute elevation of blood pressure (e.g. at orgasm) may be responsible for aneurysmal "rupture," not development. Ruptured AVMs are responsible for only 10% of SAH cases (with somewhat male preponderance).   (See References)

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C) Cerebral AVMs are a very common cause of SAH world-wide

This answer is correct.


Ruptured cerebral Berry aneurysm is responsible for up to 75% of cases of non-traumatic SAH; it has an equal sex incidence in general. Ruptured AVMs are mainly seen in the 2nd to 4th decades of life. Acute elevation of blood pressure (e.g. at orgasm) may be responsible for aneurysmal "rupture," not development. Ruptured AVMs are responsible for only 10% of SAH cases (with somewhat male preponderance).  (See References)

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D) Hypertension has not been conclusively demonstrated to predispose to the formation of the aneurysm

This answer is incorrect.


Ruptured Berry's aneurysm is responsible for up to 75% of cases of non-traumatic SAH. It has an equal sex incidence in general. Ruptured AVMs are mainly seen in the 2nd to 4th decades of life. Acute elevation of blood pressure (e.g. at orgasm) may be responsible for aneurysmal "rupture," not development. Ruptured AVMs are responsible for only 10% of SAH cases (with somewhat male preponderance).   (See References)

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E) Its annual incidence in the States is 6 per 100 000 populations/year

This answer is incorrect.


Ruptured Berry's aneurysm is responsible for up to 75% of cases of non-traumatic SAH. It has an equal sex incidence in general. Ruptured AVMs are mainly seen in the 2nd to 4th decades of life. Acute elevation of blood pressure (e.g. at orgasm) may be responsible for aneurysmal "rupture," not development. Ruptured AVMs are responsible for only 10% of SAH cases (with somewhat male preponderance).   (See References)

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References:

1. Victor, M., and Ropper, A.H. (2005). Adams and Victor's Principles of Neurology, 8th Edition. McGraw-Hill, New York. (ISBN:007141620X) Advertising:
2. Aminoff, M.A., Greenberg, D.A., Simon, R.P. (2005). Clinical Neurology, 6th Edition. McGraw-Hill, New York. (ISBN:0071423605) Advertising:
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adult
Berrys's thing!
Question ID: 052909065
Question written by rednucleus. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 05/29/2009
Modified: 06/06/2009
Estimated Permutations: 120

User Comments About This Question:

4 user entries
 

rednucleus
adult The citation of ... May 29, 2009 @ 12:22

The citation of these 13 questions about subarachnoid hemorrhage is the Professor Aminoff's "Clinical Neurology", 6th edition. And for Dr. Miles, I would be grateful if your drop-down menu for references contains this wonderful book to cite.

Regards

 

Osama

 



 

jdmiles
adult Re: The citation of ... May 30, 2009 @ 05:57

Great! I've added Clinical Neurology to the dropdown, and I'll add the citation to your questions. As always, thank you for your excellent contributions!

Readers are encouraged to check out rednucleus` own neurology review web page: http://www.neurology4mrcp.com




jdmiles
adult Comment May 30, 2009 @ 05:57
A clickable hyperlink to rednucleus` site. Thanks again!


 

rednucleus
adult Re: Comment May 30, 2009 @ 10:07

You are very wlecome, Miles! Thanks for adding my website link! 

I apologize for the delay in my contribution, as I was very busy. 

Regards.

Osama



 
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