32 results
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
Galactomannan - Pathogens ... Glucan-containing gauzes ... Galactomannan #Pathogens ... Specificity #Laboratory #InfectiousDiseases ... #Fungi #Fungal
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... Gram-negative bacilli - Fungi ... #Bacteria #Pathogens ... #Diagnosis #Differential ... #InfectiousDiseases
Etiologies of Meningitis - Acute (1-14d) vs Chronic (>14 days)

#meningitis #differential #diagnosis #pathogens #causes #acute #chronic
#meningitis #differential ... #diagnosis #pathogens ... #causes #acute ... #chronic #infectiousdiseases
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... prosthetic valve endocarditis ... #Sources #Causes ... Bacteria #Etiology #Differential ... Microbiology #Diagnosis #Pathogens
Septic Arthritis - Pathogens and Clinical Clues

Staphylococcus aureus 
Streptococcal spp. 
Neisseria gonorrhoeae 
Aerobic/Anaerobic 
Gram-negative bacteria 
Brucellosis
Septic Arthritis - Pathogens ... and Clinical Clues ... Fungal spp. ... Septic #Arthritis #Pathogens ... #Differential #
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective endocarditis ... Tropheryma whipplei, Fungi ... #differential # ... culture #negative #Endocarditis ... #InfectiousDiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess - Differential ... antibiotics as a cause ... Negative #Abscess #Differential ... #Diagnosis #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... therapy - Number one cause ... non-bacterial pathogen ... Fungal (Histoplasma ... #Infective #Endocarditis
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Polysaccharide cell wall component ... • Pathogens: Candida ... Infections with other pathogens ... cell walls • Pathogens ... BAL GM does not differentiate
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Culture-Negative Infective Endocarditis ... but important causes ... PCR for specific pathogens ... #diagnosis #differential ... #workup #infectiousdiseases