9 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... Tropheryma whipplei, Fungi ... , these bacteria ... #Causes #differential ... InfectiousDiseases #Microbiology
Septic Arthritis - Pathogens and Clinical Clues

Staphylococcus aureus 
Streptococcal spp. 
Neisseria gonorrhoeae 
Aerobic/Anaerobic 
Gram-negative bacteria 
Brucellosis
Septic Arthritis - Pathogens ... Anaerobic Gram-negative ... bacteria Brucellosis ... Fungal spp. ... #Differential #
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... or fungi (grows ... PCR for specific pathogens ... Endocarditis #diagnosis #differential
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
bacilli - Fungi ... bacilli - Fungi ... #Endocarditis #Bacteria ... #Pathogens #Diagnosis ... #Differential #
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Native and ... Sources #Causes #Bacteria ... #Etiology #Differential ... #Microbiology # ... Diagnosis #Pathogens
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Bacterial culture ... range of enteric pathogens ... Breath test for bacterial ... above testing negative ... Transplant #diagnosis #differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Pathogens: Candida ... Coccidioides - Negative ... Cryptococcus - Negative ... BAL GM does not differentiate ... Galactomannan #diagnosis #comparison
Prevalence (Mean Percentage of Positive Specimens) of Various Respiratory Pathogens From Sinus Aspirates in Patients With
Various Respiratory Pathogens ... Patients With Acute Bacterial ... aureus • Gram-negative ... #microbiology # ... differential #diagnosis
Pyoderma Gangrenosum in Ulcerative Colitis- ...left chest (Panel A) and leg (Panel B). The physical examination
Direct microbiologic ... cultures were negative ... for bacterial, ... fungal, and atypical ... mycobacterial pathogens