Opthalmology, Derm, ENT Flashcards

0
Q

eczema manageq

A

avoidance - stress, scratching, hot baths
psycho support

emollient - acqeous, diprobase, e45, nivea, soap substitutes
steroid - hydro-eumo-betno-dermo

look out for infection - abx

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1
Q

eczema

A

ill defined erythema
dry scaly erosion excoriated
weeping crusting - infection
lichenification vesicles

atopic - young, flexural, symmetrical
exogenous: allergic or irritant
seborrhoeic
discoid
pompholyx
asteatotic
venous eczema
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2
Q

psoriasis

A

chronic relapsing cond w epidermal inflam and thickening (keratocyte prolif)

subtypes

  • plaque - most common
  • flexural - lesions are smooth
  • guttate - transient, teardrop lesions, post strep infec
  • pustular - on palm and soles
  • erythrodermic - severe whole body

koebners (also vitiligo, lichen planus)

complications

  • nails
  • arthritis
  • CVD
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3
Q

psoriasis treatment

A

avoidance - alcohol, stress, smoking

emollient, hydrocortisone
topical vitamin d - calcitriol
Dovabet (steroid plus vit d)
dithranol
Tar

light: uvb or puva
syst: methotrexate, anti-tnf

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4
Q

skin cancer

A

bcc - common, rolled peraly edge telangect central crater, rodent ulcer, slow/local
- nodular, superficial, morphoeic, pigmented

scc - red scaling thickened ulcerate/beed/crust, growing.
may be preceeded by actinic keratosis (no ulcer)
- smoking is also rf
- wle w sentinal biopsy

melanoma - brown/balck (unless amelanotic), metastasizing (lung liver brain bone)
- wle w sentinel biopsy

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5
Q

acne roseacea

A
flushing
pap/pust - nose cheek forehead
telangec
blehparitis
rhinophymia

mild: metronidazole
severe: tertracycline

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6
Q

acne rosseacea

A
flushing, progressing to erythema w paps and pustules
ocular involve (belphitis, conjunctivitis)

rhinophymia

alcohol, sunlight exacerbates

t: metronidazole topical, oral if severe

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7
Q

acne vulgaris mgmt

A

assess psychological impact

mild:
benzoyl peroxide
topical clindamycin

Also COCP

mod - sever:
oral abx - tetracycline
topical retinoid (adapalene)

severe:
oral retinoid (avoid pregnancy)
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8
Q

leg rashes

A

Erythema nodosum

  • in Crohns
  • painful
  • also in sarcoidosis

pyoderma gangrinosum

  • in UC and RA
  • ulcers**

neurobiosis lipodica diabetica -
shiny painless yelow/red telangectasia shin lesion

pyoerma gengrenosa - papule- ulcer, red, necrotic

pretib myxoedema - orange peel shiny thyroid

erythema nodosum - sym, red distinct tender nodules - strep, sarcoid, ibd, cocp, abx

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9
Q

scabies

A

intense widespread pruritis starts 30 days post infec (from eggs)
- type 4 hypersensitivity

linear burrows in/betweeen fingers

t: permethrin
(or malathion)

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10
Q

pityriasis versicolor

A

fungal
can be itchy scaly
hypopigmented, red or brown
common

t: terbinafine or selenium sulphate

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11
Q

blistering bulous rashes in elderly

A

if affect mucosa - bullous pemphygus
- superficial - some deroofed and slough

if not - pemphygoid vulgaris
- dermal

t: oral steroids

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12
Q

white areas in mouth

A

leukoplakia

  • pre malignant —biopsy
  • prolonged and asymptomatic

candida

  • opportunistic
  • may be sore, alter taste

lichen planus

  • symet, white, lacy
  • buccal mucosa
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13
Q

skin abx

A

impetigo: fusidic acid, flucloxacillin, erythro
cellulitis: fluclox
erysipelas: phenoxymethylpenicillin
bite: coamoxiclav

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14
Q

impetigo

A

golden crust

staph aureus
or strep pyog (erysipelas)

topical fusidic acid
2) oral flucox or top retapamulin

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15
Q

derm history

A
Skin type - do you burn more easily than tan
Sun exposure? Work outdoors
Other skin prods
Prev skin cancer
Family
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16
Q

5 differential of well defined red scaley lesion

A
psoriasis
fungal
discoid eczema
bowens disease ( scc in situ)
superficial bcc
17
Q

3 differentials of lesion w keratin plug

A

scc
hyperkaratotic solar keratosis
viral wart

18
Q

lichen simplex

A

Eczema from scratching self

19
Q

solar actinic keratoses

A

Premalignant
Rough lesions
Sun exposure

If single area - cryotherapy
If widespread - field treatment
- Diclofenac gel (solaraze)
- 5flourouracil

20
Q

seborrhoiec keratoses

A

Common warty or mole like growths

can have keratin horn

Assoc w age

21
Q

tetracycline in derm

A

Used vs acne vulg and rosseacea, folliculitiz

  • avoid in pregnancy and children (bones/teeth)
  • can cause skin pigment changes, renal impair
22
Q

facial rashe

A

Think

  • acne rosseacea
  • –pap, pust, oedema, eryth, rhinophymia, telangec
  • eczema (seborrheic dermatitis)
    — often in nasolabial folds
    T: dactacort
  • rarely - lupus, fungal, cellulitis (erysepalis)
23
Q

rash in pregancy

A

‘polymorphic eruption of pregnancy’
pruritic widespread (abdo/legs)
last trimester

‘pemphygoid gestationis’
periumbilical, patches
itchy, blistering

24
Q

vitiligo

A

autoimmune destruc of melanocytes

well defined macules and patches of hypopigmentation
- commonly around hands, eyes, mouth

koebners

poliosis - hypopigmented hair

assoc w other autoimmune
- addison, alopecia, pernic anaem, thyroid

25
Q

Fungal lesion

A

Ring worm - tinea capitis/pedis/corpus
Erythematous rings - get larger

Treat: miconazole or ketaconazole

26
Q

psoriatic arthiritis

A

70% asymmetrical oligoarthiritis
- may be dactylitis - sausage

also sym poly distal - like RA
just DIP
mutilans 5%

27
Q

red eyes

A

acute close angle glaucoma

  • painful
  • hazy cornea
  • dilated pupil
  • vision affected

uveitis

  • acute onset
  • assoc w IBD
  • PHOTOPHOBIA
  • SMALL FIXED PUPIL

scleritis

  • severe pain worse w movement, tender
  • UC, RA

conjunctivitis

  • purulent: bacterial
  • clear: viral

subconjunctival
- hx of trauma, coughing fits

28
Q

glaucoma

A

acute angle
- hypermetropia

open angle

  • myopia, periph loss, red acuity, disc cupping
  • 1) latanoprost, 2) bblock
29
Q

acute (closed) glaucoma

A

Emergency

  • sudden painful red eye
  • often at night
  • alcohol can precipitate
  • blurring of vision due to corneal oedema (see on slit lamp)
  • eyeball feels rock hard

T:
iv mannitol
iv acetazolamide
- then later surgery - laser or stent

30
Q

chronic (open) glaucoma

90%

A

Inc aqueous humour causes chron inc pressure in eye

Causes cupping of head of optic nerve
- cup:disc ration approaches 1 if severe

Causes progressive non central loss of vision
= scotoma

NB normal intraoc pressure <15mmh

T: eye drops

  • latanoprost (can change eye colour)
  • b blocker (can cause bradycardia)
  • alpha agonist
  • acetazolamide drops
  • -laser or stenting surgery
31
Q

macular degeneration

A

atrophy on central part of retina
bilarteral

stop smoking, vitamins: beta carotene, c e zinc

dry - drusen, yellow spots, no exudate, age
wet - neovasc, exudate, late age, poor prog
- phototherapy, ranizumab intervitreous

32
Q

sudden painless loss of vision

A

ishaemic neuropathy - gca (temporal arteritis)

occlusion of retinal art or vein

  • art more common, cherry red on pale retina
  • glaucoma polycyth htn

vitreous hem - sudden

vitreous detach - flashes and floaters

retinal detach - periph to entral, curving, veil

33
Q

iritis

anterior uveitis

A

Assoc ra, ibd, as

Painful eye w pericorneal redness (can be subtle)
* photophobia
Reduced acuity
Fixed abnormal pupil (due to adherence to lens)

T: drop to dilate pupil +- steroid drops
- cyclopentadine (mydriatic)

34
Q

webers and rhinnes

A

W lat towards conductive loss or away from sn loss

R bone>air suggests conductive loss

35
Q

vertigo

  • labyrinthitis vs bppv vs menieres
  • association w anxiety
A

labyrinth
- may also affect hearing, tinnitus, nystgamus
** recent URTI
T: Abx + proclorpromazine

bppv
- vertigo on changing head position
- detachment of otolith
- may see nystagmus - Hallpikes
T: epley manouvre

menieres
- diag of exclusion
- increase pressure in endolymph
- hearing loss and tinnitus feature
T: avoid triggers, antihistamine type of antiemetics
eg betahistine (prophy), cyclizine and prochlorpromazine

36
Q

deafness

A

presbycusis
- age related SNHL
“difficult to follow convo”

otosclerosis

  • autosomal dominant
  • CHL onset age 20-40
  • w tinnitis, pink TM
menieres
- middle age VERTIGO
- w SNHL and tinnitis
"fullness in ear"
- episodic

ototoxic drugs

  • furosemide
  • gentamycin, aspirin

acoustic neuroma
- progressive SNHL, vertigo, tinnitis

37
Q

labyrinthitis

A

Dizzyness - severe vertigo

Assoc w head cold/ear ache
Assoc w anxiety

may see

  • hearing loss, tinnitus
  • middle ear effusion
  • nystagmus (wallpike manouevre)

T: abx
–> prochlorpromazine vs dizzyness
(or cinnarizine)

38
Q

ent abx

A

otitis media: amoxicillin

otitis externa: fluclox

39
Q

presbycusis

A

loss of hearing with age
lose higher frequency sounds
ie difficulty following conversation when in crowd

40
Q

alport syndrome

A

sensory neural hearing loss and renal problems

x linked or auto recessive

41
Q

neurofibromatosis type 2

A

bilateral acoustic neuromas

may get vertigo, hearing loss, tinnitus