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what are some characteristics of Nocardia?
partially acid fast
cell wall w mycolic acid
growth on most nonselective media
where is nocardia mostly found?
it is mostly found in soil rich with organic matter
what type of infection does nocardia cause?
it causes exogeneous which is acquired by inhalation.
who are at greatest risk for nocardia infection?
this disease is most common in immunocompetent patient with t. cell deficiancy and people with skin wounds.
what are some virulance factors associated with nocardia?
it is opportunistic
cord factor > prevents interacellular killing in phagocyte
catalase and superoxide dismatase >inactivates toxic oxygen metabolite
what types of disease are generally associated with nocardia
secondary central nervous system
potential for disseminating disease
what types of treatment are available for nocardial infections?
exposure can't be avoided
what are some characteristics of R.equi
who is mostly at risk with R.equi
aids and cancer patients
what types of disease it is most likely to cause ( R.equi)
what types of antibiotics are available for R.equi treatment?
vancomycin / ciprofloxacin
however penicilin resistant