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)
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1
Q

2 staph toxic reactions

A

bullous imetigo/staph scalded skin syndrome
SSSS

toxic shock syndrome

2
Q

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

A

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

3
Q

SSSS toxin? causes?

A

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

4
Q

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

A

no mucosal involvement
common in kids
present with fever and irritability

5
Q

BI/SSSS mgmt

A

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

6
Q

what is toxic shock syndrome caused by? generalised Sx?

A

TSST-1 90% and TSST-2

malaise, fever, D+V, circulatory collapse

7
Q

toxic shock s - skin Sx?

A

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

mucosal hand and feet oedema

8
Q

TSS mgmt

A

septic shock + rash = assume TSS

IV fluclox or erythromycin + supportive measures

9
Q

2 strep toxic reactions

A

scarlet fever, toxic shock-like syndrome

10
Q

scarlet fever - non skin Sx?

A

fever, severe tonsillitis, cervical lymphadenopathy

11
Q

scarlet fever - skin Sx

A

red rash arms > trunk (like sunburn)

scaling and desquamation follow ~7 days

12
Q

scarlet fever complications

A

myocarditis arthritis, glomerulonephritis, osteomyelitis, rheumatic fever

13
Q

scarlet fever Ix and mgmt

A

Ix - throat swab and ASO titre

mgmt- benzylpenicillin

14
Q

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

A

to TSS

blood cultures and swabs

15
Q

TSLS mgmt

A

high dose penicillin and IV gamma globulin

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