47 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
My Patient with Infective ... have a fastidious bacteria ... this be a non-bacterial ... Ahmed_HBabiker #Infective ... BloodCultures #Diagnosis
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Responsible for Infective ... #Infective ... #Endocarditis #Bacteria ... #Pathogens #Diagnosis ... #Differential #InfectiousDiseases
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... Patients First Tier Microbiologic-Testing ... pathogens First Tier Microbiologic-Testing ... negative and diarrhea ... Algorithm #Transplant #diagnosis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... susceptibility testing ... typically part of the workup ... #Management #Microbiology ... #InfectiousDiseases
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... Sources #Causes #Bacteria ... #Differential #Microbiology ... #Diagnosis #Pathogens
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
infective endocarditis ... under BCNIE, these bacteria ... #differential #diagnosis ... #Endocarditis #InfectiousDiseases ... #Microbiology #
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
developing active infection ... (TST) False-negative ... • Tuberculosis infection ... #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... microbiological techniques Work-up ... BCNIE Diagnostic ... #diagnosis #differential ... #workup #infectiousdiseases
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... 1,500 cells/µL Workup ... drug reaction, infection ... #Differential #diagnosis ... #hematology #eosinophilia
SPICE (SPACE) Organisms

Gram-negative bacteria that have inducible, chromosomal beta-lactamase genes known as AmpC - Resistance may
Organisms Gram-negative ... bacteria that have ... susceptibility testing ... Pseudomonas #Diagnosis ... #Microbiology #