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Medicine Podiatric > wk 3- derm > Flashcards

wk 3- derm Flashcards

1
Q

types of bacterial skin infections (7)

A
  1. cellulitis
  2. erysipelas
  3. erythrasma
  4. folliculitis
  5. furuncles
  6. pitted keratolysis
  7. impetigo
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2
Q

define cellulitis, symptoms

A

lower dermis and subcutaneous tissue bacterial infection which can lead to bacteremia (in the blood) and become life threatening

red
painful, swollen skin
w or w/o systemtic symptoms like fever, chills, shakes

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3
Q

define erysipelas, symptoms, treatment

A

superficial form of cellulitis. Upper dermis extending into the superficial cutaneous lymphatics bacterial infection

red, shiny
painful, swollen skin
w or w/o systemic symptoms

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4
Q

define erythrasma, symptoms, treatment

A

superficial bacterial infection that affects skin folds (groin, between toes, behind knee)

pink or brown patches with scaling and fissures

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5
Q

define folliculitis, symptoms, treatment

A

bacterial infection, blockage or irritation of the hair follicule

clusters of small red bumps around hair, can be pus filled blisters (similar to pimples)

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6
Q

define furuncles, symptoms, treatment

A

similar to folliculitis but a deeper bacterial infection of the hair follicule

small pocket of pus forms causin a boil like appearance
red, swollen areas of hair

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7
Q

define pitted keratolysis, symptoms and treatment

A

superficial bacterial infection

crater like pits and malodour

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8
Q

define impetigo, symptoms and treatment

A

contagious superficial bacterial infection of the epidermis

red
itchy sores
yellow scabs/blisters

treatment:
1. topical antibiotics
2. oral antibiotics

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9
Q

Types of bacteria that causes cellulitis

A

Strep pyogenes 2/3 of cases
Staph aureus 1/3

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10
Q

What bacteria causes erysipelas

A

Strep pyogenes

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11
Q

Treatment for cellulitis

A
  1. Antibiotics
  2. Analgesia
  3. Water/fluids
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12
Q

Treatment for erysipelas

A
  1. Cold packs
  2. Analgesics
  3. Elevation
  4. Compression stockings
  5. Wound care- saline dressings
  6. Antibiotics- penicillin 10-14 days
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13
Q

Bacteria causing erthrasma

A

Corynebacterium minutissimum

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14
Q

Erythrasma treatment

A

Antiseptic or topical antibiotics
1. Benzoyl peroxide
Or
2. Clindamycin

If extensive infection
3. Oral antibiotics (erythromycin/tetracycline)

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15
Q

Bacteria causing folliculitis

A

Staph aureus

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16
Q

Folliculitis treatment

A
  1. Antiseptic cleanser
  2. Antibiotic ointment
  3. Antibiotic oral medication if widespread
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17
Q

Boil is also called a

A

Furuncle

18
Q

What bacteria causes boils

A

Staph aureus

19
Q

Treatment of boils

A
  1. Antiseptic or antibacterial soap, daily for a week, then twice weekly for several weeks
  2. Topical antiseptic / gauze
  3. Oral antibiotics - penicillin
  4. Swab if not responsive- MRSA
20
Q

Bacteria causing pitted keratolysisq

A

Corynebacteria

21
Q

Treatment of pitted k

A
  1. Topical antibiotics - clindamycin
  2. Antiseptics- benzoyl peroxide
22
Q

Impetigo , symptoms

A

Superficial, contagious bacterial infection

Pustules and honey coloured crusted erosions

23
Q

Bacterial causing impetigo

A

Staph aureus
Strep pyogenes

24
Q

Treatment of impetigo

A
  1. Topical antibiotic- clindamycin, erythromycin
  2. Oral antibiotics - for bullous impetigo or widespread non bullous (more than 3 lesions), when topical fails, high risk complications, systremically unwell, flucloxacillin
25
Q

Viral warts

A

Caused by HPV infection

Infection proliferates from basal layer to epidermis with keratinocytes and hyper keratosis

26
Q

Symtoms of viral wart

A

Lateral compression pain
Pin point bleeding
Callous

27
Q

HPV types

A

1, 2, 3, 4

28
Q

Wart treatment

A
  1. Salicylic- less painful, less expensive
  2. Silver nitrate
  3. Cryotherapy

After debridememt to remove and alarm body there’s an infection

29
Q

Oral tinea therapy when

A
  1. Widespread or established
  2. Failed with topical
  3. Recurs
  4. Inappropriately treated with cortico
  5. Scalp, palms soles
  6. Inflammatory, hyperkeratotic, pustular
30
Q

Topical treatment for tinea

A
  1. Terinabine - once/twice daily for 2 weeks
  2. Bifaconazle / ketaconazole - once daily for 4 weeks
  3. Others are 2/3 times daily
31
Q

Oral therapy for tinea

A
  1. Terbinafine - once daily for 2 weeks
  2. Fluconazole- once weekly for 6 weeks
  3. Itraconazole - once daily 4 weeks
  4. Grisofulvin- once daily 8-12 weeks
32
Q

Onchomycosis oral therapy

A
  1. Terbinafine - once daily
  2. Fluconazole - once daily
  3. Itraconazole- twice daily for 1 week
  4. Gris - once daily

Until clearance

33
Q

Dermatitis in SOC

A

Hyper/hypopigmentation

34
Q

Psoriasis treatment

A
  1. NSAIDS
  2. Corticosteroids topical
  3. Salicylic
  4. Light therapy
  5. DMARDS if severe
35
Q

Melanoma

A

Malignancy of melanocytes

36
Q

Diagnosis of melanoma

A

A- symmetry
B- border irregularity
C- colour variation
D- diameter >6mm
E- evolving / growing/ changing

Skin biopsy

37
Q

Basal cell carcinoma

A

Slow growing
Ulceration
Blood vessels crossing Surface
Commonly on face, shoulders,trunk

38
Q

SCC

A

Red
Scaley
Grow from sun spots
Fast growing

39
Q

Features of venous ulcer

A

Medial gaiter area
Shallow
Painless
Sloughy

40
Q

Arterial ulcer features

A

Painful
Distal/bony prominence
Puncture

41
Q

Pyoderma gangrenosum

A

Chronic, progressive necrosis of skin

Medicine Podiatric (13 decks)

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