Microbiology - Infection CPC Flashcards
How does pneumocystis jireovecii pneumonia appear on CT chest?
Groundglass opacity
CXR may be fairly normal
How should PCP pneumonia be treated?
Co-trimoxazole BD
Which 3 bacteria are people with a B cell immunological defect most susceptible to?
Strep
Staph
Haemophilus
Which t2 bacteria are people with a neutrophil immunological defect most susceptible to?
Staph
Pseudomonas
Which type of bacteria are people with a complement defect most susceptible to?
Neisseria
Which type of virus are people with a B cell immunological defect most susceptible to?
Enteroviral encephalitis
Which 3 viruses are people with a T cell immunological defect most susceptible to?
CMV
EBV
Varicella
Which 2 fungal infections are people with a T cell immunological defect most susceptible to?
PCP
Candidia
Which 2 fungal infections are people with a neutrophil immunological defect most susceptible to?
Candida
Aspergillus
What infection are alcoholics more susceptible to than the general population and why?
Alcohol also immunosuppresses - they are more at risk of actinomyces lung abscesses
What phrase is pathognemonic for actinomyces abscesses?
Basiphilogranules (sulphur granules)
Why are antibiotics not useful in osteomyelitis?
They ca’t access necrotic bone that is lacking blood supply
what stain to visualise HIV
Grocott-Gomori’s (or Gömöri) methenamine silver stain
what is the most importance part in the treatment of prosthetic joint infections
removal of prostheses and debridement
drug of choice for non severe c diff
metronidazole PO TDS 400mg 14 days
