67 results
By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com  @febrilepodcast]
#ID  #InfectiousDiseases  #Infections
#Microbiology #Micro
#Cryptococcus #cryptococcosis
InfectiousDiseases #Infections ... #Microbiology # ... cryptococcosis #fungi ... #fungal #clinical
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... antibiotics as a cause ... Dracunculiasis - Non-Infectious ... Blastomycosis - Non-Infectious
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
Important Fungal ... and chitin in fungal ... • India ink - "Negative ... #microbiology #microscopy ... #fungus #comparison
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... disease • Systemic infection ... bacilli • Fungi ... bacilli • Fungi ... #Noninfective #Causes
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
and sources of infection ... • Native and ... • Soft tissue infections ... Endocarditis #Sources #Causes ... #Differential #Microbiology
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Transplant Infections ... Staphylococci (skin), Gram-negative ... Staphylococci (skin), Gram-negative ... #Transplant #Infections ... differential #diagnosis #causes
Causes of blood culture negative infective endocarditis

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

Staphylococcus aureus 
Streptococcal spp. 
Neisseria gonorrhoeae 
Aerobic/Anaerobic 
Gram-negative bacteria 
Brucellosis
Pathogens and Clinical ... Clues Staphylococcus ... Anaerobic Gram-negative ... Fungal spp.
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Coccidioides - Negative ... infection (IFI) ... cut-offs defined in clinical ... surfaces - Infections ... Galactomannan #diagnosis #comparison
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
Pathogenesis and clinical ... a +ve culture Microbiology ... : - Bacterial infection ... S.A. can also be caused ... by, fungi, viruses