Derm/ENT/Opthal Flashcards
Side effect of chloramphenicol?
Common: eye stinging, skin reactions.
Rarely: BONE MARROW SUPPRESSION, fever, paraesthesia
The name for blood fluid level in eye after trauma? Management?
Hyphaema (urgent referral to ophthalmology)
Lesion in the temporal lobe (lateral pathway on diagram) will cause what visual field defect?
Superior quadranopia on CONTRALATERAL side ‘PIE IN THE SKY!’
Lesion in the parietal pathway (interior on diagram)- what visual field defect?
Inferior quadrantanopia
Winter month, pt with widespread coin-shaped lesions, begin as itchy patches of vesicles and papules, then ooze serum and crust over. Mainly on extensor surfaces of extremities and buttocks. Dx?
Discoid eczema
Winter month, pt with widespread coin-shaped lesions, begin as itchy patches of vesicles and papules, then ooze serum and crust over. Mainly on extensor surfaces of extremities and buttocks. Dx?
Discoid eczema
Winter month, pt with widespread coin-shaped lesions, begin as itchy patches of vesicles and papules, then ooze serum and crust over. Mainly on extensor surfaces of extremities and buttocks. Dx?
Discoid eczema
Score for melanoma? What it contains?
Glasgow score
-3 major criteria - change in size/shape/colour
4 minor criteria - diameter over 7mm, inflammation, ooze, itch/odd sensation
Advice for shingles patient who asks about contact with other people?
Fine as long as lesions well covered. Exception being immunocompromised patients
As per guidelines, when to admit children with a temperature?
< 3 months with temp >/= 38
Consider admitting 3-6 month children with temp >/= 39
How does otitis media with effusion (glue ear) usually present?
Management?
Conductive hearing loss.
Generally resolves spontaneously. May require grommets.
How does acute otitis media (AOM) present?
Otalgia, irritability, decreased hearing, loss of appetite, vomiting, or fever - usually with other symptoms of viral infection
Acne rosacea treatment?
-Lifestyle changes - avoid triggers ie alcohol, stress, spicy food, sunlight (wear SPF)
-FLUSHING: B-blockers ie Propanolol
-PAPULES/PUSTULES/NODULES: topical ivermectin, azealic acid or metronidazole. If severe, tetracycline
-PERSISTENT ERYTHEMA -topical Brimonidine
Treatment for folliculitis barbae?
Topical or oral anti-staphylococcal abx (as caused by staphylococcus aureus)
Two major types of HSV and which areas they are associated with?
HSV-1: orofacial infections
HSV-2: genital infections
(Also there is some overlap)
1st line treatment for non-bullous impetigo?
Hydrogen peroxide 1% cream
Rash typical of Systemtic Lupus Erythematosus (SLE)?
Malar (butterfly) rash on cheeks - worse with sunlight, spares nasolabial folds
Pt with sudden vision loss, to examine: pale retina, cherry red spot . Dx?
Central retinal artery occlusion
Pityriasis Rosacea presentation?
Single erythematous herald patch (usually 2-5cm in diameter, bright red with fine scale, sharply demarcated), followed by collection of smaller patches.
Lesions run along parallel to ribs - giving CHRISTMAS TREE appearance (Cheeks ROSY for Christmas, Hark the HERALD!)
Treatment for pityriasis rosacea?
Normally not needed. Can use topical steroids or emollient if itchy.
BCC treatment?
-Superficial: Imiquomod, 5-flurouracil, curettage/cautery
-Deeper/more extensive: surgery
-Recurrent or cosmetically sensitive area: Moh’s micrographic surgery
-elderly who can’t tolerate surgery:radiotherapy
Pyogenic granuloma - what is it, and how does it present?
-Chronic inflammatory lesion of the dermal layer of the skin, occurs due to minor penetrating FBs ie thorns/splinters
-normally hands/feet/gums, reddish blue, solitary, fleshy nodules, bleed easily
Treatment of pyogenic granuloma?
Excision. Base of lesions curetted. Should be sent for histology to confirm diagnosis
What is a cholesteatoma?
Expanding keratinising squamous epithelium in the middle ear/mastoid process
Appearance of cholesteatoma on otoscopy?
Deep retraction pocket in TM, TM usually burst, yellow/brown crust-like lesion, often with surrounding pus
Treatment of cholesteatoma?
SURGICAL REMOVAL
Young child, with rubbery lump in aspect of lateral eyebrow. Dx?
Dermoid cyst
Sebhorrheic keratoses.
-What are they?
-where do they appear and what age?
-Appearance?
-Treatment?
-localised proliferation of epidermis
-Trunk, over 40s
-can be flat or raised, brown/yellow
-Normally don’t need Tx, cryotherapy
Difference between Chalazion and stye?
A chalazion - a less painful chronic infection on the inside edge of the eyelid (conjunctival side) often larger and further from eye.
Styes, (hordeola) are painful infected lesions on the edge of the eyelid (eyelash follicles) that come on quickly and eventually break open and drain, often smaller and closer to eye
Keratoconus
-what is it?
-who does it usually affect?
-treatment?
-Dome shaped cornea, causes blurred vision
-young people, mostly non-Caucasians
-Contact lenses, unless severe - surgery
-Can also slow progression with corneal cross-linking (CXL) to stiffen the cornea
What does visual acuity 6/12 mean
The person can read at 6 metres what a person with normal vision can read at 12 metres
Term for male pattern baldness?
How does it present?
Androgenic alopecia
BL temporal loss, (characteristic ‘M’ shape), that progresses to crown area
What is alopecia areata?
What does it look like?
Treatment?
-Non-scarring, auto-immune, inflammatory hair loss.
-Well-circumscribed, asymmetric, totally bald smooth patches, usually on scalp. Exclamation mark! Hairs seen around the margins (short broken hairs)
-topical/intralesional corticosteroids
What is tenogen effluviem?
How does it present?
Simple bedside test to check?
Increased shedding of normal hairs.
-diffuse alopecia. Normally a history of stress ie pregnancy, surgery, high fever, rapid weight loss etc, or offending medication ie COCP, anti thyroid meds THREE-FIVE months prior to onset
-hair-pull test usually positive (gently pull around 50 hairs, if 5 or more come out, positive)