Organisms that cause different infections Flashcards
What organisms cause meningitis?
Pneumococcus
Meningococcus
What organisms might cause meningitis if you’re over 60yrs?
Listeria
What organism causes encephalitis?
Herpes simplex
What organisms cause epiglottitis?
H. influenzae
Streptococci
What organism cause tonsillitis?
Group A strep
What organism causes sinusitis?
Pneumococcus
What organisms cause acute otitis media?
Pneumococcus
H. influenzae
What organisms cause mild/moderate CAP?
Pneumococcus
H. influenzae
What organisms cause severe CAP?
Pneumococcus
H. influenzae
Atypicals (legionella, mycoplasma, chlamydia pneumoniae, coxiella)
What bug can cause pneumonia post-influenza and is more common in children and young adults?
Staph aureus
What organisms cause an acute exacerbation of COPD?
Pneumococcus
H. influenzae
What organisms cause hospital acquired pneumonia?
Pneumococcus
H. influenzae
Coliforms
(possibly legionella)
What organisms cause native valve endocarditis (acute)?
Staph aureus
What organisms cause native valve endocarditis (subacute)?
Viridans streptococci
Enterococci
What organisms cause prosthetic valve endocarditis?
MRSA
Coagulase negative staphylococci
What organisms cause peritonitis/biliary tract sepsis/intrabdominal infections?
Polymicrobial coliforms
Anaerobes
Enterococci
What organisms cause sponatenous bacterial peritonitis?
Coliforms
Anaerobes
Sometimes strep. pneumonia
E.coli 0157 and campylobacter can cause intra-abdominal infection.
True or false?
True
What organisms cause uncomplicated UTIs?
Coliforms
Enterococci
What organisms cause complicated infections e.g. pyelonephritis, urosepsis?
Coliforms
Pseudomonas aeruginosa
Enterococci
Name some coliforms that cause UTIs
E.coli
Klebsiella
Name an enterococcus that causes UTIs
Enterococcus faecalis
What organisms cause cellulitis?
Staph aureus
Group A and other beta-haemolytic streptococci
What organism causes acute diabetic foot?
Staph aureus
What organisms can cause acute on chronic diabetic foot?
Staph aureus
Coliforms
Anaerobes
What organism causes septic arthritis/osteomyelitis?
Staph aureus
What 5 organisms cause UTIs?
E.coli Klebsiella Proteus S. Saprophyticus Enterococcus faecalis