17 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Gram-negative bacilli - Fungi ... (Candida, Aspergillus ... Gram-negative bacilli - Fungi ... #Endocarditis #Bacteria ... #Pathogens #Diagnosis
Morphology and Descriptions of Fungal Infections with Hyphae or Pseudohyphae in Tissues
Yeasts with Pseudohyphae: 
 •
Consistent with Candida ... other hyaline fungi ... with dematiaceous fungi ... #fungi #infections ... #differential #diagnosis
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Fungal (Histoplasma ... /Aspergillus) / ... patient a surgical candidate ... BloodCultures #Diagnosis ... #Management #Algorithm
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
difficile (gut) • Fungi ... : Candida spp. ... Adenovirus, RSV • Fungi ... reactivation), RSV • Fungi ... #differential #diagnosis
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... under BCNIE, these bacteria ... #differential #diagnosis ... #CNIE #BCNIE #cardiology
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture ... cell response to fungi ... doesn't stain most fungi ... #staining #diagnosis ... #fungi #fungus
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
other hyaline fungi ... with dematiaceous fungi ... #fungi #infections ... #differential #diagnosis ... morphology #pathology #atlas
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
or fungi (grows ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... BCNIE Diagnostic ... ) and 18S ( fungi
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
Descriptions of Endemic Fungal ... Cryptococcus, and Aspergillus ... pathology #clinical #atlas ... #fungi #microbiology ... #differential #diagnosis
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Parvovirus • Bacterial ... Coxiella burnetii • Fungal ... : Histoplasma, Aspergillus ... , Blastomyces, Candida ... #Causes #cardiology