7 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Negative Blood Cultures ... antibiotics prior to cultures ... Fungal (Histoplasma/Aspergillus ... patient a surgical candidate ... BloodCultures #Diagnosis #Management
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
Pathology • Candida ... Pathology #clinical #microscopy ... #table #atlas #
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 ... fungus #comparison #table
Suspected catheter-related bloodstream infection - Management Algorithm
 • Temperature 37.8 C   • Rigors
Obtain blood cultures ... Hemodynamically stable ... 72 hours after starting ... 72 hours after starting ... Hernodynamically stable
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS ... 90% of IE cases Culture ... Tropheryma Whipplei • Aspergillus ... • Blood cultures ... Endocarditis #diagnosis #management
Blastomycosis Summary

Pathogen: 
 • Dimorphic fungus - Blastomyces dermatitidis or Blastomyces gilchristii.
 • The fungus lives
in New York and Canada ... swelling or a chronic draining ... Skin tissue 2) Culture ... Blastomycosis #diagnosis #management
IDSA Recommendations for Preventing and Treating Disseminated Mycobacterium Avium Complex in HIV-AIDS
Preventing 1st Episode of Disseminated
mycobacterial blood culture ... please refer to Table ... ruled out before starting ... Prevention #Treatment #management