45 results
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 Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Gram Stain - Bacteria ... Anaerobic, Curved • Cocci ... Catalase- • Cocci ... Identification #Algorithm #microbiology ... #diagnosis
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 ... Interpretation #Laboratory #Microbiology ... #Diagnosis
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-positive ... cocci in clumps ... Gram-negative rods ... Pneumonia #Patterns #Diagnosis ... #Presentation #Pulmonary
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 ... Differential #Ddx #Diagnosis
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
Coccidiomycosis - Diagnosis ... Diagnosis: • Mildly ... trend response to treatment ... immunodiffusion test) • Culture ... 7 days to grow culture
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Monocytogenes - Gram-positive ... CNS infection Diagnosis ... : • Stool culture ... infectiousdiseases #treatment ... #microbiology
Rhodococcus - Microbiology Overview

Microbiology:
 • Facultative, intracellular, nonmotile, non-spore-forming
 • Aerobic acid-fast gram-positive coccobacilli
 • Produces
Aerobic acid-fast gram-positive ... due to trauma Diagnosis ... Treatment: • ... #diagnosis #treatment ... #pulmonary #Bacteria
Gram Positive Cocci - Bacteria Identification Algorithm
Catalase(+)
 - Coag(+): Staphylococcus aureus
 - Coag(-)
Gram Positive Cocci ... #GramPositive #cocci ... identification #algorithm #microbiology ... #bacteria #diagnosis
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Monocytogenes - Gram-positive ... CNS infection Diagnosis ... : • Stool culture ... infectiousdiseases #treatment ... #microbiology