39 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
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
Diagnosing Brucellosis
Epidemiological Exposures
- Endemic Regions
- Clinical Micro Lab Technicians
- Animal/Vaccine Exposure: Vets, Slaughterhouse workers, hunters
- Unpasteurized
Endemic Regions - Clinical ... Micro Lab Technicians ... cheese, ice cream) Clinical ... : Culture (blood ... #Criteria #Workup
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
Peripheral blood cultures ... • Aggressive management ... Internet Book of Critical ... Endocarditis #checklist #criticalcare ... #diagnosis #management
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... because false-negative ... Mycobacterial culture ... Mycobacterial culture ... #Workup #TB #Latent
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... antimicrobials, clinical ... BCNIE Diagnostic ... #Endocarditis #diagnosis ... #differential #workup
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
and Management ... Summary Clinical ... viral arthritis Workup ... staphylococcus, gram negative ... #Management #Summary
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:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... Diagnosis: • Physical ... sinus • Sputum culture ... #diagnosis #management
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... hemoptysis, diarrhea Diagnosis ... test • PCR • Culture ... Chlamydia #psittaci #microbiology ... #diagnosis #management