14 Flashcards
(22 cards)
presentation c.diff
mild diarrhoea -> severe colitis
- diarrhoea
- fever
- loss of appetite
- nausea
- abdo pain
- dehydration
brucellosis
used to be an occupational hazard of farmers, vets etc.
organisms were excreted in milk, placenta and aborted foetus
presentation Zika virus
- typically asymptomatic or - headache - rash - fever - malaise - conjunctivitis - joint pains
- can cause microcephaly in unborn children
presentation carbuncles
located @ back of neck/ posterior trunk/ thigh
multiseptated abscesses
purulent material
constitutional symptoms common
if a traveller returned with hepatomegaly consider
- hepatitis
- malaria
- typhoid
- amoebic abscess
most common organism erysipelas
strep pyogenes (2/3) and staph aureus (1/3)
describe erysipelas
infection of upper dermis
management crypotoccus and cryptococcosis infections
AmB and flucytosine
management cryptococcal meningitis
AmB + flucytosine
followed by
fluconazole maintenance
predisposing factors pyomyositis
- diabetes
- HIV/ immunosuppressed
- PWIDs
- rheumatological disease
- malignancy
- liver cirrhosis
brucellosis investigation precautions
warn lab sample is coming because can spread in lab
commonest pyomyositis organism
staph aureus
what happens in acute disease phase of schistosomiasis infection
- 6-8 weeks
- egg deposited in bowel or bladder
gram positive cocci that form grape-like clusters on a gram stain
staph aureus
is a farmer with fever and protracted flu-like symptoms more likely to have leptospirosis or brucellosis
leptospirosis
predisposing conditions necrotising fasciitis
- DM
- surgery
- trauma
- Peripheral vascular disease
management pymomyositis
drainage of abscess with antibiotic cover (normally flucloxacillin or vancomycin)
presentation pyomyositis
- high spiky fever
- pain
sepsis presentation
- fever >38
- hypothermia <36
- tachpnoea
- tachycardia
- riggers/ chills
- N+V
- disturbed consciousness
- low urine output
- hypovolaemic
- leucopenia
- high CRP
- high procalcitonin
- arterial hypotension
- raised creatinine
- coagulation abnormalities
- peristalsis stoops
- hyperbilirubinaemia
- high lactate
- reduced cap refill
- arterial hypoxaemia
presentation necrotising fasciitis
RAPID ONSET - suddenly what appears like cellulitis but they're in extreme pain - need opiates - redness comes in a few hours - patient unwell, fever, tachycardia - haemorrhage bullae - skin necrosis - crepitus - fever - hypotension - tachycardia - delirium - multiorgan failure sequential development of: - erythema - extensive oedema - severe unremitting pain
anaesthesia @ site of infection
current again influenza outbreak strains
Egypt - H7N9
China - H5N1
when do HEV symptoms occur
> 40 days incubation
