Q Set D Flashcards
(42 cards)
1
Q
Listeria Rhombencephalitis
A
- healthy people
- biphasic
- ring enhancing abscesses
2
Q
Rhombencephalitis ddx
A
- Listeria, enterovirus 71, HSV, HHV-6, EBV, MTB
- Behcet’s
3
Q
mcr-1
A
polymyxin resistance
4
Q
Scedosporium
A
- assoc with near drowning
- lung, CNS, invasion from sinuses
- tx: vori
5
Q
Rheumatic fever
A
- carditis (heart block), polyarthritis, erythema marginatum (serpiginous), fever
- elevated ASO or DNAase B, ESR, CRP
6
Q
Ixodes tick
A
Borrelia (burgdorferi, myamotoi)
Anaplasma
Babesia
Powassan
7
Q
ART: Rise in Cr
A
dolutegravir, bic, cobi
8
Q
Erythrasma
A
Corynebacterium minutissimum
- coral red with UV Woods lamp
- inguinal areas, dry, asx
9
Q
Erysipelas
A
- acute onset sx, F, chills
- clearly demarcated
- upper dermis + superficial lymphatics
10
Q
TB & HIV
A
- if CD4 <50 –> start TB tx immediately, then ART within 2 wks
- if CD4 >50 –> start TB tx immediately, then ART within 8-12 wks
11
Q
Epiglottitis
A
- “worst sore throat of my life”, spitting instead of swallowing d/t pain
- normal pharyngeal exam
- thumb sign on lateral XR
12
Q
ERM gene
A
inducible macroline resistance
-often carried by M abscessus
13
Q
Atazanavir AE
A
indirect hyperbilirubinemia (jaundice)
14
Q
Bacteria Resistant to Polymixins
A
MaPPS
Morganella and Providencia, Proteus, Serratia
15
Q
Plague
A
- Yersinia pestis
- plague pneumonia - infected cats appear to be choking
- or regional LAD after bite from rodent fleas
16
Q
Psittacosis
A
- exposure to birds
- HA, slightly low WBC, pna, red spots rash, splenomegaly
- tx doxy
17
Q
Paragonimus westermani
A
- lung fluke
- East Asia
- FW crayfish/crabs
- pulm sx (hemoptysis) + GI sx
18
Q
Mycobacterium chimaera
A
- prosthetic valve endocarditis
- heater-cooler units in OR
19
Q
TB meningitis
A
- basilar meningitis, lymphocyte predominant
- can have leptomeningeal enhancement
- RF: anti TNF agent (infliximab)
20
Q
Aeromonas hydrophila
A
- freshwater injuries (hurricanes, tsunami)
- leeches, polluted water, pools
- mostly commonly causes diarrhea
21
Q
Skin lesions associated with anti-TNF agents
A
- eczema, psoriasis, xerosis cutis, palmoplantar pustulosis
- used for IBD
22
Q
mprF
A
-daptomycin resistance in S aureus
23
Q
vanA
A
- vancomycin resistance to S aureus
- MIC>8
24
Q
hyper-IgE syndrome
A
- STAT3 mutation
- recurrent candidiasis, bacterial pna, skin abscesses
- “Job’s syndrome”
25
Disseminated MAC
- adult: acquire auto-antibody in interferon gamma function
| - child: interferon gamma receptor deficiency
26
Acute schistosomiasis
Katayama fever
- F, abd pain, eosinophilia
- exposure to FW
27
Fanconi's syndrome
- TDF >1 yr
| - proteinuria, glycosuria, low phos
28
IUD
Actinomyces
| -no need for IUD removal or abx tx
29
denture stomatitis
form of oral candidiasis
| -pain + erythema, no white plaques
30
Lymphocytic choriomeningitis virus
- winter, rodent exposure, high CSF WBC for viral (>1000)
| - otherwise nonspecific: HA, myalgias, meningismus
31
Hantaviruses
- worldwide, rodents
- viral hemorrhagic fever (with renal sx in old world)
- Sin Nombre (SW US, Lat Amer) --> pulmonary syndrome
32
Africa viral hemorrhagic fevers
Ebola (bat)
Marburg (bat)
Lassa (rodent)
33
Travelers diarrhea (dysentery + F) tx
azithromycin (campy, Salmonella, Shigella)
34
Most communicable enteric pathogens
Shigella
| Norovirus (V)
35
Legionella
- contaminated water aerosols
| - severe pna, hyponatremia
36
Hantaan
- viral hemorrhagic fever with renal sx
| - east Asia
37
Hep B treatment
- active replication + necroinflamation (LFTs or bx)
- HBeAg neg: >2,000
- HBeAg pos: >20,000
- Pregnant: >200,000
- entecavir or tenofovir
38
Legionella precautions
standard (not transmitted person to person)
39
F, Leukopenia, Thrombocytopenia, elevated LFTs after a tick bite
Ehrlichiosis or Anaplasmosis
| tx: doxy
40
Looks like ehrlichiosis but not responsive to doxy
Heartland virus
| -missouri/TN
41
Lyme disease tx in pregnancy
-amoxicillin
| avoid tetracyclines
42
mcr-1
polymyxin resistance
| -modifies lipid A so polymyxins bind less well
