Flashcards in 8 - Derm - Bacterial infections - Staph + Strep toxic reactions Deck (15):
2 staph toxic reactions
bullous imetigo/staph scalded skin syndrome
toxic shock syndrome
BI/SSSS - BI toxin? causes? more common in?
ET-A causes localised blistering - more in kids, very low mortality
SSSS toxin? causes?
ET-B causes widespread erythema, blistering and shedding of skin
SSSS - how different from TEN? common in? presents with?
no mucosal involvement
common in kids
present with fever and irritability
fluclox or erythromycin (PO in BI, IV in SSSS)
what is toxic shock syndrome caused by? generalised Sx?
TSST-1 90% and TSST-2
malaise, fever, D+V, circulatory collapse
toxic shock s - skin Sx?
widespread macular erythema 1-3 days
skin peeling 10-21 days later
mucosal hand and feet oedema
septic shock + rash = assume TSS
IV fluclox or erythromycin + supportive measures
2 strep toxic reactions
scarlet fever, toxic shock-like syndrome
scarlet fever - non skin Sx?
fever, severe tonsillitis, cervical lymphadenopathy
scarlet fever - skin Sx
red rash arms > trunk (like sunburn)
scaling and desquamation follow ~7 days
scarlet fever complications
myocarditis arthritis, glomerulonephritis, osteomyelitis, rheumatic fever
scarlet fever Ix and mgmt
Ix - throat swab and ASO titre
Toxic shock like syndrome - similar presentation to?? Ix??
blood cultures and swabs