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Flashcards in GP Deck (40)
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1

What is telangiectasia

small dilated blood vessels near the surface, commonly in mucous membranes

2

MO in impetigo?

staph aureus

3

Tx of impetigo?

Localised disease:
• 1st line - topical fusidic acid

Extensive:
Oral fluclox. Erythromycin if allergic.

4

Describe rash of impetigo

Yellow brown crusts which may be bulbous.

5

pathogen of cellulitis? Tx??

Group A strep or staph aureus
amox or iv co-amox

6

Patho of chickenpox

Varciella Zoster Virus

7

Tx of chickenpox?

• Trim nails
• Calamine lotion
IV aciclovir if immunocompromised

8

Complications of chickenpox?

• Pneumonia
• Encephalitis
Disseminated haemorrhagic chickenpox

9

Diagnosis of eczema?

Itchy skin condition in last 12 mths and 3+ of:
• Onset below age 2
• History of flexural involvement
• History of generally dry skin
• Personal history of atopy
Visible flexural dermatitis

10

Tx of eczema?

First line:
• Emollients
• Steroids
• Antihistamines

Second line:
UV radiation

11

Name topical steroids mild, moderate, potent and v potent

• Mild - Hydrocortisone 0.5-2.5%
• Moderate - betamethasone 0.025%
• Potent - Betamethasone 0.1%
Very potent - Dermovate 0.05%

12

what are the 2 types of contact dermatitis

• Irritant contact dermatitis - non allergic reaction due to weak acids or alkalis. Eythema.
• Allergic Contact dermatitis:
type 4 hypersensitivity.

13

Patho of psoriasis

Patho:
• Excess Keratinocyte proliferation in epidermis
Can be worsened by environmental stressors

14

S&S of psoriasis

• Extensor distribution
Erythromatous, scaly patches

• Psoriatic arthropathy
• Nail signs - pitting, onycholysis (separation of nail from nailbed)
• Systemic complications:
○ CVS disease
○ HTN
○ Venous thromboembolism
UC and Crohns

15

What is guttate psoriasis, epid and tx?

Psoriasis - Guttate:
• More common in children and adolescents
• Precipitated by strep infection
• Tear drop papules on trunk and limbs
• Tx:
○ Self resolving most cases
Psoriasis Tx

16

Tx of psoriasis

emolients + betamethasone + calcitriol

17

What types of HSV cause what?

• HSV-1 - oral lesions
HSV-2 - genital herpes

18

Complication of HSV?

Herpes Simplex Encephalitis

19

Tx of HSV

• Cold sores - topical aciclovir
Genital sores and gingivistomatitis- Oral aciclovir

20

S&S of herpes simplex encephalitis, investigations, and Tx

• Affects Temporal lobe
• S&S:
○ Fever, headache, vomiting
○ CNS signs eg aphasia
• HSV-1 most likely responsible
• Investigations:
○ CSF + PCR for HSV
○ MRI scan
Tx - IV aciclovir

21

S&S of shingles

• Acute, unilateral painful blistering rash
Dermatomal distribution

22

Tx of shingles

• Aciclovir
• Prevention - Shingles vaccine:
Live attenuated vaccine therefore immunosuppressed are contra.

23

Tx for sinusitis?

Abx not effective.
Steroid nasal sprays

24

Causes of CKD

Causes:
• Diabetes
• Chronic glumerulonephritis
• HTN
Adult Polycystic kidney disease

25

Systemic results of CKD?

Systemic results:
• Bone problems due to Vit D:
○ Osteomalacia
○ Osteitis fibrosa cystica
○ Osteoporosis
• Anaemia due to:
a. Erythropoietin
b. Reduced red cell survival
c. Reduced iron absorption
Hyperkalaemia

26

Contraindications due to CKD?

LMN:
• L - Lithium
• M - Metformin
N - NSAIDs and Nitrofurantoin

27

Tx of CKD

• Treat any underlying causes
• ACEi
• Anemia - Erythropoietin
• Hypocalcaemia - Calcium, Vit D analogues
• Hyperkalemia - Furosemide
Consider Haemodialysis or renal transplant

28

RFs of adhesive capsulitis?

DM

29

S&S of adhesive capsulitits

• External rotation most affected
• Both passive and active movements affected
• 3 phases - Painful freezing phase --> adhesive phase --> recovery phase
Can be bilateral

30

Tx of adhesive capsulitis

Tx:
• NSAIDs
• Physio
Intra articular steroids