36 results
Abiotrophia defectiva on Blood Culture and Microscopy
 - only growing on Chocolate Agar
 - Gram pos
defectiva on Blood Culture ... and Microscopy ... Agar - Gram pos cocci ... #microbiology # ... culture
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
immunodiffusion test) • Culture ... (ElA may be negative ... 7 days to grow culture ... Coccidioides #Diagnosis #workup ... #infectiousdiseases
Histoplasma capsulatum on Microscopy
Dimorphic Fungi. Cultures don't look especially unique (see also: other dimorphs Cocci and
capsulatum on Microscopy ... Cultures don't look ... other dimorphs Cocci ... capsulatum #clinical #microscopy ... #microbiology
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... #culture #negative ... #Endocarditis #InfectiousDiseases ... #Microbiology #
Coccidioides on culture and microscopy

This was coccidioides sp (in this particular case was posadasii, although morphologically
Coccidioides on culture ... this particular case ... #Coccidioides #culture ... #microbiology # ... cocci
Corynebacterium diphtheriae on Culture and Microscopy
Corynebacterium diphtheriae, the cause of vaccine-preventable diphtheria.

Matching name to features:
"Coryne" (korune)
diphtheriae on Culture ... and Microscopy ... diphtheriae, the cause ... #diphtheriae #Culture ... #microbiology
Moraxella catarrhalis on culture and microscopy
Only 1-5% of adults are colonized with this Gram neg diplococci
catarrhalis on culture ... and microscopy ... It can be the cause ... ) - Gram negative ... #microbiology
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB AFB smear microscopy ... because false-negative ... Mycobacterial culture ... Testing #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... microbiological techniques Work-up ... but important causes ... #differential #workup ... #infectiousdiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... antibiotics as a cause ... of a negative culture ... Differential #Diagnosis #InfectiousDiseases