335 results
Gram Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Gram Stain - Bacteria ... Anaerobic, Curved • Cocci ... : Anaerobes Gram ... Catalase- • Cocci ... #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 ... Plump gram-negative ... Gram-negative rods ... Pneumonia #Patterns #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 ... Remember that clinician ... #Microbiology #Diagnosis
Abiotrophia defectiva on Blood Culture and Microscopy
 - only growing on Chocolate Agar
 - Gram pos
Chocolate Agar - Gram ... pos cocci in chains ... Abiotrophia #defectiva #clinical
Table 3. Suggested Empiric Treatment Options for Clinically Suspected Ventilator-Associated Pneumonia in Units Where Empiric Methicillin-Resistant
Treatment Options for Clinically ... Antipseudomonal/Gram-Negative ... Are Appropriate #Management ... #InfectiousDiseases
Gram Positive Cocci - Bacteria Identification Algorithm
Catalase(+)
 - Coag(+): Staphylococcus aureus
 - Coag(-)
Gram Positive Cocci ... #GramPositive #cocci ... microbiology #bacteria #diagnosis
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
bacilliformis: - Gram ... intracellular, Aerobic - Cocci ... Lutzomyia verrucarum Clinical ... Peripheral smear - Cocci ... #management #Bartonella
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
Coccidiomycosis - Diagnosis ... Diagnosis: • Mildly ... space) • ElA for Cocci ... #Coccidioides #Diagnosis ... #workup #infectiousdiseases
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... Enterococci - Gram-negative ... Bacteria #Pathogens #Diagnosis ... #Differential #InfectiousDiseases
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Monocytogenes - Gram-positive ... food, salad bar Clinical ... CNS infection Diagnosis ... Monocytogenes #diagnosis ... #management #infectiousdiseases