14 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
(Candida, Aspergillus ... Histoplasma) - Culture ... streptococci - Culture ... Bacteria #Pathogens #Diagnosis ... #Differential #
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... #differential # ... diagnosis #causes
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... - Differential ... Diagnosis Framework ... Scedosporium, endemic fungi
Morphology and Descriptions of Fungal Infections with Hyphae or Pseudohyphae in Tissues
Yeasts with Pseudohyphae: 
 •
Consistent with Candida ... other hyaline fungi ... #microbiology #differential ... #diagnosis #morphology ... septations #pathology #atlas
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
: Candida spp. ... (mucosa), Aspergillus ... : Aspergillus spp ... Infections #Timeline #differential ... #diagnosis #causes
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
other hyaline fungi ... yeasts #fungal #fungi ... #microbiology #differential ... #diagnosis #morphology ... #pathology #atlas
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
but important causes ... (Aspergillus, Candida ... BCNIE Diagnostic ... #Endocarditis #diagnosis ... #differential #
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Diagnosis Framework ... M.tuberculosis, M. bovis • Fungi ... : Candida, Cryptococcus ... , Aspergillus, Histoplasma
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
Cryptococcus, and Aspergillus ... pathology #clinical #atlas ... #fungi #microbiology ... #differential # ... diagnosis
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture ... exceptions are Aspergillus ... #microbiology #microscopy ... #staining #diagnosis ... #comparison #table