Sunday, February 24, 2013

tests to consider in patients with encephalitis

serology- HIV, EBV, acute and convalescent phases St Louis encephalitis, eastern equine encephalitis, LaCrosse and West Nile viruses; acute and convalescent phase serum titers of myc. pneum, ricketsii ricketsiae, ehrlichia chaffensis, anaplasma phagocytophilum; rpr and fta;  lyme (ELISA and Western blot), IgG for toxoplasma; serum cryptococcal antigen; complement fixing or immunodiffusion antibodies for coccidio species

blood cultures;

Respiratory secretions pcr for myc. pneum;

CSF cultures;  IgM for St Louis, West Nile and VZV; vdrl and fta, IgG index, lyme (elisa and Western blot), CSF cryptococcal antigen; CSF histoplasma antigen;  complement fixing or immunodiffusion antibodies for coccidio species

CSF pcr's for HSVE I and II, enteroviruses, VZV, EBV, ehrlichia and anaplasma species, myco. pneum.

blood smears for morulae

culture respiratory secretions,nasopharyx, throat and stool

skin culture of rash if present for HSV and VZV

urine -- histoplasma antigen

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