10 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 ... #Infections #Microbiology ... #Micro #Differential ... #Ddx #Diagnosis
How to Determine a Contaminant vs True Infection 

What is the organism? Most 
common contaminants:
• Coagulase-negative ... How many blood culture ... species from the micro ... Contamination #Diagnosis ... #BCx #Laboratory
Guide to Interpretation of Positive Blood Cultures

I arrange the potential Gram stain results that one can
call from the micro ... reason to go to micro ... BloodCultures #BCx ... Interpretation #Laboratory #Microbiology ... #Diagnosis
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Management Summary ... Workup: arthrocentesis ... w/ fluid culture ... staphylococcus, gram negative ... #Diagnosis #Management
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
and Management ... spread of the Gram-negative ... sets of blood cultures ... typically part of the workup ... #Management #Microbiology
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Alpha-hemolytic, Catalase Negative ... sinusitis, septic arthritis ... Diagnosis: • Physical ... sinus • Sputum culture ... #diagnosis #management
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... Bacterial culture ... above testing negative ... #Transplant #diagnosis
Aeromonas spp - Diagnosis and Management Summary
Aeromonas spp: Gram-negative Rods, oxidase positive and glucose fermenter.
Virulence: Toxin
Diagnosis and Management ... spp: Gram-negative ... wound or blood cultures ... #Diagnosis #Management ... #microbiology #
Intraoperative Sepsis - Guidelines for Crises in Anaesthesia

Severe sepsis (hypotension persisting after initial fluid challenge of
coagulation and cultures ... within 1 h (seek microbiology ... and send source cultures ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
infections • Gram-negative ... Endocarditis, Septic arthritis ... microorganism (Culture ... Capnocytophaga #canimorsus #microbiology ... #management #treatment