6 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... whipplei, Fungi (Aspergillus ... , Candida), Mycoplasma ... #CNIE #BCNIE #cardiology
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
Common Fungal Pathology ... • Candida - Small ... #clinical #microscopy ... #table #atlas # ... key #comparison
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 ... fungi #fungus #comparison
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS ... Tropheryma Whipplei • Aspergillus ... Septic Emboli Cause ... Treat underlying cause ... diagnosis #management #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Hypercoagulable (APLAS ... Tropheryma Whipplei • Aspergillus ... Septic emboli cause ... Treat underlying cause ... Differential #Diagnosis #cardiology
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
- Pathology: inflammatory ... tissues - mainly caused ... Non-dermatophytes: Aspergillus ... Dx: pathology and ... clinical #photo #microscopy