7 results
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Blood culture contaminants ... Grouped by gram ... negative vs gram ... #Infections #Microbiology ... Bloodculture #Bloodcx #bcx
Gram Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Identification Algorithm ... • Rods: Oxidase ... +, Oxidase-, Fastidious ... Catalase- • Cocci ... #microbiology #
Guide to Interpretation of Positive Blood Cultures

I arrange the potential Gram stain results that one can
(+) cocci, Gram( ... rods, Gram(–) cocci ... Gram(+) cocci are ... Remember that clinician ... BloodCultures #BCx
Gram Positive Cocci - Bacteria Identification Algorithm
Catalase(+)
 - Coag(+): Staphylococcus aureus
 - Coag(-)
Gram Positive Cocci ... Identification Algorithm ... Coag(-) - Oxidase ... #GramPositive #cocci ... #microbiology #
Abiotrophia defectiva on Blood Culture and Microscopy
 - only growing on Chocolate Agar
 - Gram pos
Chocolate Agar - Gram ... pos cocci in chains ... Abiotrophia #defectiva #clinical ... #microscopy #microbiology ... #culture
Acinetobacter baumanii on culture and microscopy
 - MacConkey agar - Lactose Negative
 - gram negative (often
Acinetobacter baumanii on culture ... esp. from blood cx ... Acinetobacter #baumanii #clinical ... #microscopy #microbiology ... #culture

Haemophilus influenzae on culture and microscopy
Immunosuppressed patient, recently diagnosed with Flu A. Presents after initial improvement
influenzae on culture ... Blood cx +ve on ... Gram stain from ... #microscopy #clinical ... #microbiology