Causes And Sites Of Lesions Of The 4th Cranial Nerve Flashcards

1
Q

Cavernous sinus or Superior orbital fissure

A

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2
Q

Aneurysms

A

Posterior cerebral or superior cerebellar arteries

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3
Q

Surgical Procedures

A

Damage occurs because of its long intracranial course

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4
Q

Deficits in Extraocular Eye Movement (right trochlear nerve)

A

Cannot move the right eye downward

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5
Q

Left Superior Oblique Paralysis

A

Extorted left eye causing double vision

Head tilt to unaffected side

Right eye intorts

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