Micro (past paper) Flashcards
Returned from holiday with fever, headache and confused
Legionella
Hypernatraemic, diarrhoea, abdo pain, just stayed in hotel
Legionella
with Hepatitis
Legionella Ix and Mx
Urine or serum Ag detection
Macrolides e.g. azithromycin
50yo, LLL pneumonia, haemoptysis, cavitation, gram -ve coccobacilli
H. influenzae
Associated with smoking/COPD
Which respiratory infection is more common in
- Diabetics
- Post influenza
- S. aureus
2. S. aureus
Silver stain, boat shaped organism, eosinophils in alveoli, dry cough
PCP
Man goes to wedding in devon, comes back with pneumonia and confusion
Legionella (hyponatraemia –> confusion)
Transplant patient develops pneumonia, halo sign on Xray/CT
Aspergillosis
Complement deficiency, septicaemia, rash and arthritis after unprotected sex
Disseminated gonorrheoa
Wet slide microscopy
Trichomonas Vaginalis
Gram +ve coccus, Coag neg
S. epidermis
S. aureus is coag positive
Gram neg rod
Lactose fermenting
Name 2
E coli
Klebsiella
UTI ass with renal calculus
Proteus
Excess ammonia –> what type of renal stones?
Phosphate stones
Rotavirus vs norovirus
Rota:
- young children or old adults
- lasts for 1 week
- D&V and dehydration
Noro:
- Adults and children
- Similar presentation but for 2-3 days
Diarrhoea after BBQ
- Potential organisms
- Ix
- Salmonella/shigella
2. Stool culture
MSM is abroad hiking, severe flatulence, foul smelling stool, steatorrhoea, cysts, pear shaped trophozoite
Giardia
Do stool microscopy and immunoassay to diagnose
Post surgery boil on legs, not responding to fluclox etc.
MRSA –> vanc/teico
MSSA with penicillin allergy
Macrolide e.g. erythromycin OR 3rd gen cephalosporin (but DO NOT use a ceph during acute penicillin reaction i.e. rash still present)
Psuedomonas Abx
Tazocin
Good for pseudomonas bad for anaerobes
Ciprofloxacin
Macrolide antibiotic from atypical pneumonias
Azithromycin
Jaundice, seizures, intracranial calcification in neonate, what antenatal infection?
Toxoplasmosis
STI can cross placenta 3rd trimester
Syphilis
If caught in first 20 weeks of pregnancy it can cause hydrops fetalis
Parvovirus B19
If mother is highly infectious it requires rapid vaccination and immunoglobulins at birth
Hep B
Cataracts, sensorineural deafness, hepatomegaly, thrombocytopenia
Rubella
Antenatal infection which MAY be initially asymptomatic but can have long term sequelae
CMV
Haemorrhagic cystitis in kids
Adenovirus
PTLD virus
EBV
PML virus
JC virus
Molluscum contagiosum virus
Pox virus
Skin infection with son with sore throat
Strep pyogenes
Child has red oedematous rash on face then nasal bridge then spread
Erysipelas (?) - strep pyogenes
Painless ulcer on finger after trip to Afghanistan
- Condition
- Bugs
- Vector
- Cutaneous Leishmania
- L.major, L.tropica
- Sandfly
Diarrhoea, sweating, tenesmus, RUQ abscess, flask shaped ulcer on microscopy
Entamoeba Histolytica
Comma shaped, oxidase positive, bloody smelly diarrhoea
Campylobacter
Abdo pain, fever, no diarrhoea, constipation, rose spots, gram negative
Salmonella