29 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Gram-negative bacilli - Fungi ... (Candida, Aspergillus ... Histoplasma) - Culture ... Gram-negative bacilli - Fungi ... streptococci - Culture
Aspergillus flavus on Culture and Microscopy

Rich Davis, PhD, D(ABMM), MLS @richdavisphd

#Aspergillus #flavus #clinical #microscopy #microbiology #culture
Aspergillus flavus ... on Culture and ... Microscopy Rich ... richdavisphd #Aspergillus ... #microbiology #culture
Aspergillus niger on Culture and Microscopy

Rich Davis, PhD, D(ABMM), MLS @richdavisphd

#Aspergillus #niger #clinical #microscopy #microbiology #culture
Aspergillus niger ... on Culture and ... Microscopy Rich ... richdavisphd #Aspergillus ... #microbiology #culture
Fungal biomarkers
Beta-d-glucan
Aspergillus galactomannan

By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com]

#ID  #Infectious Diseases  #Infections
#Differential #Ddx
Beta-d-glucan Aspergillus ... Diagnosis #Fungal #Fungi ... galactomannan #Aspergillus ... #Candida #Microbiology
Morphology and Descriptions of Fungal Infections with Hyphae or Pseudohyphae in Tissues
Yeasts with Pseudohyphae: 
 •
Consistent with Candida ... spp. however Aspergillus ... other hyaline fungi ... with dematiaceous fungi ... septations #pathology #atlas
Aspergillus terreus on Culture and Microscopy
 - velvety white, later dusky "cinnamon' growth on culture
 -
Aspergillus terreus ... on Culture and ... Microscopy - velvety ... richdavisphd #Aspergillus ... #Microscopy #clinical
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... identified with modern culture ... diagnosis #causes #culture
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
Cryptococcus, and Aspergillus ... other hyaline fungi ... with dematiaceous fungi ... yeasts #fungal #fungi ... morphology #pathology #atlas
Fungal Biomarkers: Comparing Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 •
Beta-D-Glucan and Aspergillus ... component of many fungi ... • Pathogens: Candida ... , Aspergillus ... Spec ~77-96% Aspergillus
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
difficile (gut) • Fungi ... : Candida spp. ... (mucosa), Aspergillus ... Adenovirus, RSV • Fungi ... : Aspergillus spp