28 results
Abiotrophia defectiva on Blood Culture and Microscopy
 - only growing on Chocolate Agar
 - Gram pos
on Blood Culture ... Chocolate Agar - Gram ... pos cocci in chains ... clinical #microscopy #microbiology ... #culture
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 ... #contaminants
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 ... ‘Shape’ of the bacteria ... Interpretation #Laboratory #Microbiology
Gram Negative Bacteria - Identification Algorithm
- Rods (Bacilli)
- Cocci (Diplococci)
- Coccobacilli
- HACEK Group

By Dr. Colleen S.
Gram Negative Bacteria ... Rods (Bacilli) - Cocci ... Emory_MedMicro #Gram ... #Negative #Bacteria ... Identification #Algorithm #Microbiology
Gram Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Gram Stain - Bacteria ... Anaerobic, Curved • Cocci ... Catalase- • Cocci ... #Stain #Bacteria ... Identification #Algorithm #microbiology
Gram Positive Bacteria - Identification Algorithm
Cocci 
  - Catalase +
     -
Gram Positive Bacteria ... Identification Algorithm Cocci ... #GramPositive #Bacteria ... Identification #Algorithm #Microbiology ... #GPC #Cocci #Bacilli
Gram Positive Cocci - Bacteria Identification Algorithm
Catalase(+)
 - Coag(+): Staphylococcus aureus
 - Coag(-)
Gram Positive Cocci ... - Bacteria Identification ... #GramPositive #cocci ... identification #algorithm #microbiology ... #bacteria #diagnosis
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... Granulicatella, Abiotrophia ... under BCNIE, these bacteria ... diagnosis #causes #culture ... InfectiousDiseases #Microbiology
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... : Gram Positive, ... sinus • Sputum culture ... Specificity of 97%) Treatment ... Pneumoniae #strep #microbiology
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
lobes (unlike bacterial ... space) • ElA for Cocci ... trend response to treatment ... immunodiffusion test) • Culture ... 7 days to grow culture