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Flashcards in Brain stem lesions and presentations Deck (18):
1

presents w/ lateral strabismus, fixed pupil; where is the lesion and what artery is occluded

CNIII nucleus Medial midbrain; PCA (weber's syndrome)

2

Mandibular deviation; where is the lesion and what artery is occluded

motor nucleus V in lateral upper pons; Sup Cerebellar a.

3

Medial strabismus; where is the lesion and what artery is occluded

CN VI nucleus in medial lower pons; paramedic branch of basilar a.

4

facial muscle palsy; where is the lesion and what artery is occluded

CN VII in lateral lower pons; AICA

5

Tongue deviation; where is the lesion and what artery is occluded

CNXII nucleus in medial upper medula; ant spinal a. (ASA)

6

Dysphagia, hoarseness, uvula deviation; where is the lesion and what artery is occluded

Nucleus ambiguus (CN IX & X) in lateral upper medula; PICA (wallenberg syndrome)

7

PCA is lesioned what is the nucleus and where is it

CNIII; medial midbrain

8

Superior cerebellar a. is lesioned what is the nucleus and where is it

motor nucleus V in lateral upper pons

9

paramedic branch of basilar a. is lesioned what is the nucleus and where is it

CNVI in medial lower pons

10

AICA is lesioned what is the nucleus and where is it

CNVII in lateral lower pons

11

ASA is lesioned what is the nucleus and where is it

CNXII in medial upper medulla

12

PICAis lesioned what is the nucleus and where is it

nucleus ambiguus (CN IX & X) in lateral upper medulla

13

how does a medial lower pons lesion present

medial strabismus

14

how does a lateral lower pons lesion present

facial muscle palsy

15

how does a medial midbrain lesion present

lateral strabismus, fixed pupil (weber syndrome)

16

how does a lateral upper pons lesion present

mandible deviation

17

how does a medial upper medulla lesion present

tongue deviation

18

how does a lateral upper medulla lesion present

dysphagia, hoarseness, uvula deviation