caloric test - okt3 - Printable Version +- USMLE Forum - Largest USMLE Community (https://www.usmleforum.com) +-- Forum: USMLE Forum (https://www.usmleforum.com/forumdisplay.php?fid=1) +--- Forum: Step 1 (https://www.usmleforum.com/forumdisplay.php?fid=2) +--- Thread: caloric test - okt3 (/showthread.php?tid=304201) Pages:
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caloric test - okt3 - ArchivalUser - 05-22-2008 A comatose patient is being evaluated by caloric stimulation of the vestibular apparatus. Cold-water irrigation of the right external auditory canal leads to deviation of both eyes to the right for 2 min, followed by a slow drift back to the midline. This finding is most consistent with a lesion in the A) right labyrinth B) midbrain C) medulla D) pons E) cerebral hemispheres 0 - ArchivalUser - 05-22-2008 pons/medulla? 0 - ArchivalUser - 05-22-2008 ??????? 0 - ArchivalUser - 05-22-2008 I'd say pons... 0 - ArchivalUser - 05-22-2008 Can you explain plz, is it a boring post, so many views and nobody tried beside zealot and sam7860. 0 - ArchivalUser - 05-22-2008 pons 0 - ArchivalUser - 05-22-2008 real tough....right vestibular nucleus is involved. So lesion is in pons. correct me if i am wrong. 0 - ArchivalUser - 05-22-2008 okt3 this is not boring .definitely HY for real exam .............. 0 - ArchivalUser - 05-22-2008 Thanks sunshine and others for trying, I had a qs about caloric test and Rinne in my exam, you are absolutly right it is HY, that is the reason I am sharing. Try again, pon is not the given answer. GL 0 - ArchivalUser - 05-22-2008 why wouldnt it be the midbrain? |