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OD4 > Clinic Differential Deck > Flashcards

Clinic Differential Deck Flashcards

1
Q

List 3 differentials for deteriorating vision and possible lid changes

A

Multiple Sclerosis
Cerebrovascular accident
Thyroid eye disease

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2
Q

List 3 differentials for family history of a relative having significant vision loss with glaucoma

A

PXG
POAG
ACG

(others include OHT, PDS, Healthy)

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3
Q

List 3 differentials for occasional burning in one eye and lids sometimes stuck together in morning

A

Dry eye from chronic bleph and lipid anomaly
Dry eye from aqueous deficiency
Thygeson SPK (rare, but fit symptoms)

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4
Q

List 5 differentials for painless vision loss

A

Refractive error
Cataract
AMD
Glaucoma
Diabetic Ret

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5
Q

List 5 differentials for areas of no vision over the past month

A

BRVO
RD
DR
Pre-ret haem
AMD

(also could be: vitritis, retinal infection, vitreous haemorrhage)

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6
Q

List 3 differentials for achy/gritty sensation with blur worse in mornings that gradually improves over the day. Gradually worsened vision D/N over past year.

A

Corneal dystrophy (e.g. EBMD)
Dry eye
Hyperopia

(there are other ddx too)

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7
Q

List 3 differentials for red/stinging/sticky eye past few days. Chlorsig not working.

A

Viral infective keratitis
Bacterial infective keratitis
Sterile keratitis

(there are other ddx too obviously)

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8
Q

List 4 differentials for acute red eye. Discomfort since 2 weeks ago, but much redder and watery today. Wears RGPs.

A

Bacterial infective keratitis
Amoebic infective keratitis (b/c CL)
Fungal keratitis (rare but should be considered)
Viral/herpetic keratitis

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9
Q

Why is CLARE not a top 3 ddx in RGP wearers?

A

It’s less common in RGP wearers compared to standard CLs. But still possible. It’s in the top 5

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10
Q

List 3 differentials for epiretinal membrane

A

RD
Retinal vascular occlusion disease
Macular Oedema

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11
Q

List 4 differentials for NPDR

A

Hypertension
CRVO (non-ischemic)
Radiation retinopathy
Carotid artery disease

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12
Q

List 5 differentials for CRVO

A

Severe DR
Ocular ischaemic syndrome
Retinitis
Coats disease
Benign intracranial hypertension/pseudotumour cerebrii

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13
Q

List 4 differentials for BRVO

A

CMV retinitis
Cavernous haemangioma
Periphlebitis (sarcoidosis)
Retinal macroaneurysm

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14
Q

List 2 differentials for CRAO

A

Tay sachs disease
Ophthalmic artery occlusion

(also GCA, from my own notes, is something you need to exclude)

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15
Q

List 3 differentials for retinal whitening due to inflammation (BRAOs)

A

Lymphoma
Toxoplasmosis chorioretinitis
CMV retinitis

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16
Q

List 4 differentials for retinal macroaneurysms

A

Disciform degeneration
Other causes of vitreous/pre-ret haemorrhage
BRVO
Coats disease

17
Q

List 3 differentials for cotton wool spots

A

Medullated nerve fibres
Inflammatory white dot syndromes
Intra-retinal lipid

18
Q

List 4 differentials for persistent hyperplastic primary vitreous humour

A

Retinoblastoma
ROP
Cataract
Glaucoma

19
Q

List 3 differentials for vitreous cyst

A

PVD
Cells due to uveitis
Traction

20
Q

List 4 differentials for vitreous floaters

A

PVD
RD/tears/haemorrhage
Asteroid hyalosis
Synchisis scintillans

21
Q

List a differential diagnosis for macula oedema

A

Retinoschisis

22
Q

What 2 differential diagnoses for macula holes can FA be used to rule out?

A

Macular oedema
Choroidal neovascularisation

23
Q

List 5 differentials for choroidal folds

A

Orbital mass
Autoimmune diseases
ARM
Lymphoma
Uveal effusion syndrome

24
Q

List 3 autoimmune diseases that could be a differential for choroidal folds

A

Posterior scleritis
TED
RA

25
Q

What is the main differential for PXF?

A

Essential iris atrophy

26
Q

List 8 differentials for corneal abrasion

A

AACG
Conjunctivitis
Corneal ulcer
Infective keratitis
RCE
Uveitis
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OD4 (35 decks)

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