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Sudden Vision Loss > AAION > Flashcards

AAION Flashcards

1
Q

What does AAION (GCA) stand for?

A

Anterior Arteritic Ischemic Optic Neuropathy associated with Giant Cell Arteritis.

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2
Q

What are the signs of AAION (GCA)?

A

Reduced visual acuity, Disc pallor, Optic nerve swelling, Cotton wool spots, Colour vision defect.

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3
Q

What is a common symptom of AAION (GCA) affecting vision?

A

Diplopia (double vision).

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4
Q

What are the eye movement-related symptoms of AAION (GCA)?

A

Diplopia, Ptosis, Nystagmus.

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5
Q

What types of pain are associated with AAION (GCA)?

A

Pain in the temples, Pain when chewing, Scalp pain or tingling.

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6
Q

What are the body pain symptoms of AAION (GCA)?

A

Neck pain, Muscle aches and pains, particularly in upper legs or arms.

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7
Q

What general symptoms may present in AAION (GCA)?

A

General fatigue, Loss of appetite, Unexplained weight loss, Fever.

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8
Q

What is the most urgent step in managing AAION (GCA)?

A

Emergency referral to ophthalmology.

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9
Q

What is a diagnostic procedure often performed for AAION (GCA)?

A

Temporal artery biopsy.

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10
Q

What is the primary treatment for AAION (GCA)?

A

High-dose steroids.

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11
Q

What type of visual symptom might patients with AAION (GCA) complain of besides diplopia?

A

Reduced visual acuity.

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12
Q

What might be a sign of optic nerve involvement in AAION (GCA)?

A

Optic nerve swelling and disc pallor.

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13
Q

What symptom suggests involvement of the scalp in AAION (GCA)?

A

Scalp pain or tingling.

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14
Q

What are common systemic symptoms in AAION (GCA)?

A

Fever and unexplained weight loss.

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15
Q

What is a key laboratory or biopsy procedure to confirm GCA?

A

Temporal artery biopsy.

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16
Q

What causes AAION (GCA)?

A

Inflammation of the arteries, especially temporal arteries, reducing blood flow to the optic nerve.

17
Q

What are the risk factors for AAION (GCA)?

A

People over 50, Women more than men, Associated with systemic inflammatory diseases like GCA.

18
Q

How does AAION (GCA) typically affect vision?

A

Sudden, painless vision loss, typically in one eye, can be permanent.

19
Q

What are the complications of untreated AAION (GCA)?

A

Irreversible blindness, Possible stroke.

20
Q

What blood tests help in diagnosing AAION (GCA)?

A

Elevated ESR and C-reactive protein (CRP).

21
Q

What is long-term management for AAION (GCA)?

A

Prolonged corticosteroid taper, Monitoring for steroid side effects.

22
Q

What is the prognosis for AAION (GCA) with prompt treatment?

A

Further vision loss can be prevented, but lost vision is typically not recoverable.

Sudden Vision Loss (12 decks)

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