caloric test - okt3

[ArchivalUser]

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

[ArchivalUser]

pons/medulla?

[ArchivalUser]

???????

[ArchivalUser]

I'd say pons...

[ArchivalUser]

Can you explain plz, is it a boring post, so many views and nobody tried beside zealot and sam7860.

[ArchivalUser]

pons

[ArchivalUser]

real tough....right vestibular nucleus is involved. So lesion is in pons.

correct me if i am wrong.

[ArchivalUser]

okt3 this is not boring .definitely HY for real exam ..............

[ArchivalUser]

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

[ArchivalUser]

why wouldnt it be the midbrain?