Most Common Flashcards
Most common cause of septic arthritis
Staphylococcus aureus
[also says that N.gonorrhea is the most common cause of septic arthritis in sexually active adults]
Most common cause of osteomyelitis
Staphylococcus aureus
Most common cause of endocarditis of artificial heart valves
Staphylococcus epidermidis
1 cause of meningitis in neonates
Streptococcus agalactiae (group B strep)
1 cause of community-acquired pneumonia
Streptococcus pneumoniae
Most common bacterial cause of meningitis, otitis media, pneumonia, and sinusitis
Streptococcus pneumoniae (MOPS mneumonic)
Which is more common, Enterococcus faecium or Enterococcus faecalis?
E. faecalis
Most common illness associated with Klebsiella pneumoniae infection
UTI (often nosocomial, associated with foley catheter)
[note that UTI is also the most common illness associated with Serratia marcescens]
1 cause of osteomyelitis in patients with sickle cell disease
Salmonella typhi
1 cause of UTIs
Escherichia coli
1 cause of gram-negative nosocomial pneumonia
Pseudomonas aeruginosa
Leading cause of blindness worldwide
Chlamydia trachomatis (group A-C)
Most common bacterial STI
Chlamydia trachomatis (group D-K)
Most common cause of erysipelas
Strep pyogenes
Which is more common in the US, Shigella sonnei or Shigella dysenteriae?
Shigella sonnei
What is the most common cause of non-bacterial (aseptic) meningitis in the US?
Enteroviruses: (Poliovirus, Coxsackie A and B, and Echovirus) = Picornavirus family
Most common opportunistic infection in the U.S. among AIDS patients?
Pneumocystis jiroveci pneumonia (PCP)
What is the #1 cause of pneumonia in young children, especially infants <6 months old?
Respiratory syncytial virus (RSV)
1 cause of severe diarrhea in in infants < 3 years old?
Rotavirus
Most common cause of corneal blindness in the U.S.?
Herpetic keratitis
Most common cause of viral encephalitis in the U.S.?
HSV-1
What is the most common viral cause of mental retardation?
CMV
