27 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 ... #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
Abiotrophia defectiva on Blood Culture and Microscopy
 - only growing on Chocolate Agar
 - Gram pos
defectiva on Blood Culture ... Chocolate Agar - Gram ... pos cocci in chains ... clinical #microscopy #microbiology ... #culture
Gram Positive Cocci - Bacteria Identification Algorithm
Catalase(+)
 - Coag(+): Staphylococcus aureus
 - Coag(-)
Gram Positive Cocci ... - Bacteria Identification ... #GramPositive #cocci ... identification #algorithm #microbiology ... #bacteria #diagnosis
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
Rhodococcus - Microbiology Overview

Microbiology:
 • Facultative, intracellular, nonmotile, non-spore-forming
 • Aerobic acid-fast gram-positive coccobacilli
 • Produces
Rhodococcus - Microbiology ... Aerobic acid-fast gram-positive ... trauma Diagnosis Treatment ... #diagnosis #treatment ... #pulmonary #Bacteria