7 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... #diagnosis #causes ... #Endocarditis #InfectiousDiseases ... #Microbiology #
Fungal Pneumonias - Diagnosis Comparison Table
 • Aspergillus
 • Blastomyces
 • Candida
 • Coccidioides
 • Cryptococcus
Fungal Pneumonias ... Table • Aspergillus ... TheIDtrivia #Fungal ... #infectiousdiseases ... #pathology
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture ... Pathology: • Hematoxylin ... exceptions are Aspergillus ... #microbiology #microscopy ... #staining #diagnosis
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Mycobacteria - Fungal ... Scedosporium, endemic fungi ... Mycobacteria - Fungal ... Mycobacteria - Fungal
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
fastidious bacteria or fungi ... but important causes ... Tropheryma whipplei, Fungi ... BCNIE Diagnostic ... bacteria) and 18S ( fungi
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
pedis Biopsy: GMS fungal ... Histopath shows fungal ... granulomatous fungal ... common - allows fungus ... Fungal infection
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
Babesiosis • Plasmodium ... chest film; blood-smear ... dipstick test, microscopic ... examination, culture ... #InfectiousDiseases