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Stage 3: EJR - Child's Health > Derm, Haem conditions > Flashcards

Derm, Haem conditions Flashcards

1
Q

Pathology of Henoch Schonlein Purpura (HSP)

A

IgA mediated vasculitis

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2
Q

What 3 infections precede HSP

A
  1. Group A Strep
  2. EBV
  3. Mycoplasma
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3
Q

Clinical features of HSP

A
  1. Low grade fever
  2. Swollen painful joints (knees and ankles)
  3. Abdo pain
  4. Bloody diarrhoea
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4
Q

Type of rash in HSP

A

Macular –> purpuric lesions –> join together (look like bruises)

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5
Q

How is HSP diagnosed

A

Clinically

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6
Q

Most common complication of HSP.

How to monitor this.

A

Renal involvement.

  1. UnEs, creatinine
  2. Serum albumin
  3. Urine dipstick and microscopy (haematuria, proteinuria)
  4. Urine albumin: creatinine ratio
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7
Q

Pathology of idiopathic thrombocytopenia

A

IgG antibodies attack platelets

diagnosis of exclusion

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8
Q

5 most common childhood exanthematas

A
  1. Measles
  2. Rubella
  3. Chickenpox
  4. Parvovirus B19/ Slapped cheek
  5. Roseola
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9
Q

How to differentiate measles and rubella

A

Measles symptoms tend to last 10 days

Rubella symptoms tend to last 3 days

Measles rash is preceded by Koplik spots

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10
Q

Type of measles/ rubella/ roseola infantum rash

A

Macular papular

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11
Q

Type of chickenpox rash

A

Vesicle with erythematous halo

“dewdrops on rose petal)

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12
Q

Type of parvovirus B19 rash

A

Fine lacey rash on cheeks

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13
Q

Common sites of eczema in children

A
  1. Forehead, cheeks
  2. nape of Neck
  3. Elbows, wrist
  4. Groin
  5. Knees, ankles
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14
Q

Bacterial causes of non-bullous impetigo

A
  1. Staph aureus

2. Strep pyogens

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15
Q

Risk factors for impetigo

A

Eczema

any other condition that causes break in skin

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16
Q

Rash in non-bullous impetigo

A

Tiny vesicles -> honey crusted plaques

Around mouth and nose

17
Q

Rash in bullous impetigo

A

Lesions with thin roof, rupture spontaneously

More likely to occur over eczema

18
Q

5 causes of bruising in children

A
  1. ITP
  2. Haemophilia
  3. Leukaemia
  4. Von Willebrand’s disease
  5. Injury
19
Q

Lesion in molluscum contagiosum

A

Shiny, pearly white hemispherical papule

may have central dip

Stage 3: EJR - Child's Health (17 decks)

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