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Ophthalmo > Chemical Injuries > Flashcards

Chemical Injuries Flashcards

1
Q

Which more dangerous

A

Alkaline

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2
Q

Which more common

A

Alkaline

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3
Q

Why is alkaline more dangerous than acids

A

Because it acts deeply by causing liquefactive necrosis, which leads to **deep damage-kk

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4
Q

What is the damage of acids to the cornea

A

It causes immediate coagulation necrosis in the superfacial tissue
This effect prevents the acid from penetrating deep
(Superfacial damage)

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5
Q

Management of chemical injury of eye

A

irrigation
topical anesthesia
specific antidote
Analgesia
Steroid(prevents scar)
Vit C
Diamox or acetazolmide
Debridement

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6
Q

Other durgs used in chemical injury

A

Atropine and topical cortisone therapy
Tetracycline (–inflammation)
Citric acid

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7
Q

Antidote for alkali

A

Weak acid (Boric acid 4%)

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8
Q

Antidote of acid

A

Weak alkaline (Sodium bicarbonate 3%)

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9
Q

Surgical treatment

A

Penetrating keratoplasty
Amniotic membrane grafts (bunk)

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10
Q

Complications of chemical injury

A

Glaucoma
Corneal opacity
Symblepharon
Entropion
Ectropion
Dry eye

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Ophthalmo (48 decks)

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