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You are here: Home / 09. Medical/Surgical / neurology / Amaurosis Fugax

Amaurosis Fugax

July 14, 2011 by CrashMaster

Amaurosis Fugax

better terms are transient monocular/binocular vision loss

mono implies vision loss anterior to the chiasm (eye or ocular nerve)

if from ischemia then it is ipsilateral carotid disease

patients can have homonymous field cuts and attribute monocular loss to the eye with the temporal cut

usually painless if ischemic

 

TMVL

most common cause is ischemia

also optic neuropathy, papilledema, ocular disease

more commonly from carotid disease rather than clots from the heart

can also be from giant cell arteritis (usually mono, can be bilat)

Send ESR in these patients if the right age (> 50 y/o)

 

TBVL

migraine

seizure

vertebrobasilar ischemia

also giant cell

migraine is the most common

 

w/u

esr/crp if age > 50

carotid duplex or cta of neck vessels

echo?

MRI with DWI

 

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Filed Under: neurology


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