19 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 ... #Bloodculture #Bloodcx
Capnocytophaga spp on Culture and Blood Smear
Associated w/ dog/human oral flora, can cause bacteremia in immunocompromised
Blood Smear Associated ... immunocompromised pts From blood ... #Culture #Blood ... #Smear #clinical ... #microscopy #microbiology
Duke's Criteria for Infective Endocarditis
Definite IE - Pathologic Criteria:
 • Pathologic lesions - vegetation or intracardiac
blood cultures ... from 2 separate blood ... Persistently positive blood ... Single positive blood ... Immunologic phenomena • Micro
How to Determine a Contaminant vs True Infection 

What is the organism? Most 
common contaminants:
• Coagulase-negative ... ) How many blood ... culture sets are ... species from the micro ... Diagnosis #BCx #Laboratory
Diagnosing Brucellosis
Epidemiological Exposures
- Endemic Regions
- Clinical Micro Lab Technicians
- Animal/Vaccine Exposure: Vets, Slaughterhouse workers, hunters
- Unpasteurized
Micro Lab Technicians ... Diagnostics: Culture ... (blood, bone marrow ... SAT, ELISA), 16S PCR ... Brucellosis #Diagnosis #Criteria
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... after 3 separate blood ... negative for 7 ... antimicrobials, clinical ... Strategies: • Blood
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Patients First Tier Microbiologic-Testing ... CMV qPCR (Serum/Blood ... Bacterial culture ... pathogens First Tier Microbiologic-Testing ... above testing negative
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
food, salad bar Clinical ... Gastroenteritis) • PCR ... available • Blood ... culture (Invasive ... infectiousdiseases #treatment #microbiology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
food, salad bar Clinical ... Gastroenteritis) • PCR ... available • Blood ... culture (Invasive ... infectiousdiseases #treatment #microbiology
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... Laboratory Diagnosis ... : • 2 sets of blood ... cultures should ... Diagnosis #Management #Microbiology