Bacterial Diagnostics Part 2 Flashcards
(18 cards)
What symptoms are associated with subacute bacterial endocarditis?
Rash
Fever
Weight Loss
Note: NO lymph node involvement or diarrhoea
How would you detect SBE?
Blood culture
What symptoms are associated with syphilis?
Rash
Lymphadenopathy
Fever
What is not involved in syphilis?
No weight loss
No diarrhoea
How would you detect syphilis?
Serum for antibodies
What symptoms are associated with toxoplasma?
Rash
Lymphadenopathy
Fever
What is not involved in toxoplasma?
No weight loss
No diarrhoea
How would you test for toxoplasma?
Serum for antibodies
What symptoms are associated with TB?
Fever
Weight loss
What symptoms are NOT associated with TB?
NO rash
NO lymphadenopathy
No diarrhoea
How would you detect TB?
Culture it
How would you detect latent TB?
Interferon gamma
What is the problem with detecting interferon gamma for TB?
Can be negative in immunocompromised people
Not useful in active disease
What symptoms are associated with Brucella?
Rash
Lymphadenopathy
Fever
What symptoms are NOT associated with Brucellosis?
NO weight loss
NO diarrhoea
How would you test for Brucella?
Serum for antibodies
Blood culture
What is seroconversion?
Two samples:
Negative acute sample
Positive convalescent sample (10-14 days later); shows antibody has been produced after exposure
When would you NOT delay antibiotics even if the microbiology lab hasn’t got back to you?
In cases of:
Severe sepsis
Meningitis