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Flashcards in Dermatology Deck (14)
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1
Q

Cyst infection - Tx?

A

Have to drain infected cysts. If not infected can drain or refer based on location or can leave it

2
Q

Lyme’s disease tx?

A

Doxycycline for 10-21 days, at most in asymptomatic or patients with non-specific sx

3
Q

Why do we get itchy?

A

C-fibre stimulation by neuro-inflamatory mediators

4
Q

What is a herald patch and what does it indicate?

A

Single patch that shows up 1 -20 days before pityriasis rosacea - looks oval, pink and is about 2-5 inches in diameter

5
Q

Guttate Psoriasis

A

Shower of lesions, often triggered by strep pharyngitis, generally concentrated on the trunk. Can treat with antibiotics for underlying strep, may use topicals including emollients, low-potency topical steroids, coal tar and calcipotriol. (As in all psoriasis)

6
Q

Big painful road rash that you need to debride

A

Soak dressings in xylocaine viscous

7
Q

BHCG?

A

Urine and qualitative - just to confirm

Quantitative is to follow up on - you need comparison.

8
Q

Molar pregnancy vs blighted ovum

A

Blighted ovum - empty sac, not fertilized - tx: with a D&C or leave it be 2weeks about, can start trying as soon as done
Molar - fetal tissue tumour

9
Q

Diabetes increases the risk of?

A

Miscarriages, preterm delivery, fetal growth alteration, unexplained demise, hydramnios

10
Q

Erythema nodosum?

A

Large reddish and blue lesions - consider crohns, mycobacteriumm, pyoderma gangrenous

11
Q

Urticaria features?

A

Check to see if blanch-able, usually wide spread

Post viral can last for months

12
Q

Stevens-Johnson Syndrome

A

Severe drug hypersensitivity reaction, caused by sulfa drugs, antiepileptics, antibiotics are the most common causes. Leads to blistering necrosis, and sloughing

(TENS - more severe SJS due to >30% of the body surface area being involved)

13
Q

Satellite lesions?

A

Yeast infection

14
Q

Petechial rash on dependant areas

A

Meningitis, can be fatal, do not miss