horner syndrome Flashcards
1
Q
where does sympathetic chain to the eye originate
A
hypothalamus
2
Q
where does sympathetic chain to eye descend
A
by the brainstem and cervical cord to the T1 nerve root
3
Q
what chain is affected in Horner syndrome
A
sympathetic
4
Q
what does horner syndrome affect
A
vision
5
Q
main causes
A
- stroke
- demyelination
- MND
- syphilis
- HIV
- trauma
6
Q
other causes
A
- cervical rib
- brachial plexus trauma
- thyroid surgery
- neoplastic infiltration
- congenital
- cluster headache
- idiopathic
7
Q
symptoms
A
- unilateral miosis
- partial ptosis
- loss of sweating on same side
- subtle conjunctival injection
8
Q
what is miosis
A
constricted pupil
9
Q
when is miosis seen
A
in low light
10
Q
how is miosis detected
A
pupil cannot dilate
