Associated Conditions

Question 1

Organisms associated with reactive arthritis

Answer 1

Campylobacter, Salmonella, Shigella, Yersinia

Question 2

Guillian Barre Syndrome - organism

Answer 2

Campylobacter 1-2/10000

Question 3

HUS organism

Answer 3

Shiga-toxin producing E.Coli (STEC)

Question 4

Mycotic aneurysm + aortitis organism

Answer 4

Salmonella

Question 5

Appenidicitis-like presenation (organism)

Answer 5

Yersinia

Question 6

Liver abscess organism

Answer 6

Entamoeba histolytica (Tx with metronidazole + luminal agent paromomycin)

Question 7

Gene for ESBL

Answer 7

CTX-M

Question 8

Gene for MRSA

Answer 8

mecA

Question 9

Class B beta-lactamase example

Answer 9

NDM

Question 10

Auto-Abs in SLE

Answer 10

ANA, anti-dsDNA (high specific - disease activity, nephritis, TNFi-induced SLE)
Ro/SSA: neonatal lupus, photosensitivity, Sjogren’s.
La: Sjogren’s neonatal
Sm (highly specific): renal and CNS disease
U1RNP/RNP: myositis, raynaud’s
Anti ribosomal p - psychosis, depression
Anti-neuronal - organic brain syndrome

Question 11

What Ab in dermatomyositis highly associated with malignancy

Answer 11

Anti-TIF1

Question 12

Dermatomyositis Ab low risk malignancy

Answer 12

Anti-Mi2