Infections/Rash Flashcards
Important differentials for a fever + rash in a child
Scarlet fever - blanching sandpaper like rash on chest/abdo.
Kawaski ideas - red rash and strawberry tongue.
Scalded skin/Staph aureus - blisters, rupture, skin peeling.
Measles - erthymatous maculopapular rash
Rubella - maculopapular rash from behind ears
Clinical features of scarlet fever, treatment and causative organism
10 days of penicillin e.g Phenoxymethylpenicillin Notify PHE! Sore throat Fever Heachache Sandpaper texture rash on abdo/chest and skin folds Strawberry tongue Flushed face Swollen cervical lymph nodes Group A strep e.g. Strep pyogenes.
Criteria for Kawaski disease diagnosis
MY HEART
Fever for 5 days and 4 out of 5 of MY HEART
M(y) - Mucosal involvement (dry lips, strawberry tongue)
H - Hands and feet reddening, oedema, peeling.
E - Eyes non-purulent bilateral conjunctivitis.
A - Adenopathy/lymphadenopathy and cervical swelling.
R - rash usually on trunk, erthymatous.
T - Temperature of persistent high fever.
Pathophysiology of Kawaski disease
Vasculitis
6months-4yrs old
More common in Japanese and Afro-carribean
immune hyperactivity due to trigger e.g. genetic.
Complications fo Kawaski disease
Coronary artery aneurysm - echocardiogram patients!
Investigations of Kawaski’s
High CRP and ESR
High WCC
Unremitting high temperature
Platelets increase in second week
Treatment of Kawaski disease and side effects
IV immunoglobulins (SE = anaphylaxis, headache, n+v) Aspirin (increase bleeding and bruising)
Other form of Kawaski Disease
Incomplete/Atypical - not all clinical symptoms present.
Encephalitis pathophys
inflammation of the brain parenchyma
Causes of encephalitis
HSV (acute viral), mumps varicella zoster, parovirus.
Post-infective
Post measles
Rx of encephalitis
Acyclovir for HSV
Organism for toxic shock syndrome
S.aureus
Organism for impetigo
Staph or strep e.g. S.aureus
Is impetigo contagious?
HELL YES don’t go to school until lesions dry over
Organism and features of scalded skin
S.aureus Fever Malaise Crusting skin blisters Erythema Tender skin Skin peeling