8 - Derm - Bacterial infections - Staph + Strep toxic reactions Flashcards Preview

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Flashcards in 8 - Derm - Bacterial infections - Staph + Strep toxic reactions Deck (15):
1

2 staph toxic reactions

bullous imetigo/staph scalded skin syndrome
SSSS

toxic shock syndrome

2

BI/SSSS - BI toxin? causes? more common in?

ET-A causes localised blistering - more in kids, very low mortality

3

SSSS toxin? causes?

ET-B causes widespread erythema, blistering and shedding of skin

4

SSSS - how different from TEN? common in? presents with?

no mucosal involvement
common in kids
present with fever and irritability

5

BI/SSSS mgmt

fluclox or erythromycin (PO in BI, IV in SSSS)

6

what is toxic shock syndrome caused by? generalised Sx?

TSST-1 90% and TSST-2
malaise, fever, D+V, circulatory collapse

7

toxic shock s - skin Sx?

widespread macular erythema 1-3 days
skin peeling 10-21 days later

mucosal hand and feet oedema

8

TSS mgmt

septic shock + rash = assume TSS
IV fluclox or erythromycin + supportive measures

9

2 strep toxic reactions

scarlet fever, toxic shock-like syndrome

10

scarlet fever - non skin Sx?

fever, severe tonsillitis, cervical lymphadenopathy

11

scarlet fever - skin Sx

red rash arms > trunk (like sunburn)
scaling and desquamation follow ~7 days

12

scarlet fever complications

myocarditis arthritis, glomerulonephritis, osteomyelitis, rheumatic fever

13

scarlet fever Ix and mgmt

Ix - throat swab and ASO titre
mgmt- benzylpenicillin

14

Toxic shock like syndrome - similar presentation to?? Ix??

to TSS
blood cultures and swabs

15

TSLS mgmt

high dose penicillin and IV gamma globulin

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