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==Overview==
==Overview==
*[[CT]] scan is not the first-line imaging preferred to determine the underlying cause of central vertigo.
[[CT scan]] is not the first-line [[imaging]] method preferred to determine the underlying cause of central vertigo due to its low [[sensitivity]] in identifying [[ischemic]] [[stroke]] and a negative [[CT scan]] cannot completely rule out the central cause of vertigo, it still needs to be further investigated with the help of an [[MRI]].


==CT==
==CT==
* [[CT scan]] or computerized axial tomography (CAT) of head and or labyrinth may be necessary.
*[[CT scan]] or computerized axial tomography (CAT) of head and/or labyrinth may be necessary to identify the central cause of vertigo: [[ischemic]] [[stroke]],  [[cerebellopontine angle]] [[tumor]], [[multiple sclerosis]].
*If [[MRI]] is contraindicated then thin cut [[CT]] scan can be used.
*A negative [[CT]] scan cannot exclude the central cause of vertigo and it should be followed by an [[MRI]].<ref name="pmid22940762">{{cite journal| author=Lawhn-Heath C, Buckle C, Christoforidis G, Straus C| title=Utility of head CT in the evaluation of vertigo/dizziness in the emergency department. | journal=Emerg Radiol | year= 2013 | volume= 20 | issue= 1 | pages= 45-9 | pmid=22940762 | doi=10.1007/s10140-012-1071-y | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22940762  }} </ref>
*[[CT]] scan has low [[sensitivity]] for identifying [[ischemic]] [[stroke]] as compared to an [[MRI]].<ref name="pmid22940762">{{cite journal| author=Lawhn-Heath C, Buckle C, Christoforidis G, Straus C| title=Utility of head CT in the evaluation of vertigo/dizziness in the emergency department. | journal=Emerg Radiol | year= 2013 | volume= 20 | issue= 1 | pages= 45-9 | pmid=22940762 | doi=10.1007/s10140-012-1071-y | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22940762  }} </ref>
*If [[MRI]] is contraindicated then a thin cut [[CT]] scan can be used<ref name="pmid9725927">{{cite journal| author=Hotson JR, Baloh RW| title=Acute vestibular syndrome. | journal=N Engl J Med | year= 1998 | volume= 339 | issue= 10 | pages= 680-5 | pmid=9725927 | doi=10.1056/NEJM199809033391007 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9725927  }} </ref>.


== References ==
==References==
{{Reflist|2}}
{{Reflist|2}}
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[[Category:Neurology]]
[[Category:Neurology]]
[[Category:Otolaryngology]]
[[Category:Otolaryngology]]
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[[Category:Needs content]]

Latest revision as of 20:49, 22 January 2021

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Zehra Malik, M.B.B.S[2]

Overview

CT scan is not the first-line imaging method preferred to determine the underlying cause of central vertigo due to its low sensitivity in identifying ischemic stroke and a negative CT scan cannot completely rule out the central cause of vertigo, it still needs to be further investigated with the help of an MRI.

CT

References

  1. 1.0 1.1 Lawhn-Heath C, Buckle C, Christoforidis G, Straus C (2013). "Utility of head CT in the evaluation of vertigo/dizziness in the emergency department". Emerg Radiol. 20 (1): 45–9. doi:10.1007/s10140-012-1071-y. PMID 22940762.
  2. Hotson JR, Baloh RW (1998). "Acute vestibular syndrome". N Engl J Med. 339 (10): 680–5. doi:10.1056/NEJM199809033391007. PMID 9725927.

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