Change in Mental Status
Topic: Anatomy
Created on Thursday, December 28 2006 by jdmiles
Last modified on Thursday, December 28 2006.
A 87 year-old male botanist with no significant past medical history is admitted to the general medicine service overnight because of painful bunions. Apart from tender feet, his initial exam was unremarkable.
The next morning, Neurology is consulted to evaluate his change in mental status. On your exam, you find that although he is neurologically intact, he is combative, and insists that the Druids wants him to convert the CIA to Methodism.
Of the following, which is the most likely explanation for his mental status?
A) The intern who admitted the patient last night gave him some medication to which he is having a nasty reaction. B) The patient has Pick disease C) The patient has new onset of schizophrenia D) The Druids wants him to convert the CIA to Methodism E) The patient has Lewy body dementia
This question was created on December 28, 2006 by jdmiles.
This question was last modified on December 28, 2006.
ANSWERS AND EXPLANATIONS
A) The intern who admitted the patient last night gave him some medication to which he is having a nasty reaction.
This answer is correct.
The symptoms and clinical course of this change in mental status is consistent with delirium. In the setting of recent hospitalization, an adverse reaction to a medication is the likely cause. (
See References)
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B) The patient has Pick disease
This answer is incorrect.
This patient with no significant past medical history displayed an overnight change in mental status. This is not consistent with the course of Pick disease (
See References)
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C) The patient has new onset of schizophrenia
This answer is incorrect.
This is a 87 year-old patient, with no known history of psychosis. The onset of schizophrenia is typically seen at a much younger age. Further, the diagnosis of schizophrenia requires symptoms to persist for a significant portion of time during a 1-month period. (
See References)
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D) The Druids wants him to convert the CIA to Methodism
This answer is incorrect.
While anything is possible, is is unlikely that the Druids wants him to convert the CIA to Methodism (
See References)
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E) The patient has Lewy body dementia
This answer is incorrect.
This patient with no significant past medical history displayed an acute change in mental status. This is not consistent with the course of Lewy body dementia (
See References)
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References:
1. American Psychiatric Association (2000). Diagnostic and Statistical Manual of Mental Disorders Fourth Edition, Text Revision. American Pyschiatric Association, Washington, DC. (ISBN:0890420254) | Advertising:
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2. DeKosky, S.T., Kaufer, D.I., and Lopez, O.L. (2004). The Dementias. In Bradley, W.G., Daroff, R.B., Fenichel, G.M., and Jankovic, J. (Eds.). Neurology in Clinical Practice, 4th Edition. Butterworth Heinemann, Philadelphia. Pp. 1901-1951. (ISBN:0750674695) | Advertising:
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anatomy
Change in Mental Status
Question ID: 12280600
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 12/28/2006
Modified: 12/28/2006
Estimated Permutations: 0