14 results
Fungal Pneumonias - Diagnosis Comparison Table
 • Aspergillus
 • Blastomyces
 • Candida
 • Coccidioides
 • Cryptococcus
Diagnosis Comparison Table ... • Aspergillus ... Blastomyces • Candida ... Diagnosis #Comparison #Table ... #microbiology #infectiousdiseases
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 ... #Endocarditis #InfectiousDiseases
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
bacilli - Fungi (Candida ... , Aspergillus, Histoplasma ... ) - Culture negative ... streptococci - Culture ... #Differential #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Negative Blood Cultures ... therapy - Number one cause ... of culture negative ... Fungal (Histoplasma/Aspergillus ... patient a surgical candidate
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... of a negative culture ... Kumfer @AnnKumfer #Culture ... Differential #Diagnosis #InfectiousDiseases
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
gut) • Fungi: Candida ... (mucosa), Aspergillus ... RSV • Fungi: Aspergillus ... differential #diagnosis #causes ... #infectiousdiseases
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
Pathology • Candida ... Pathology #clinical #microscopy ... #table #atlas #
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... but important causes ... whipplei, Fungi (Aspergillus ... , Candida), Mycoplasma ... differential #workup #infectiousdiseases
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS ... Culture (+): ... Tropheryma Whipplei • Aspergillus ... Septic Emboli Cause ... Treat underlying cause
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture ... exceptions are Aspergillus ... #microbiology #microscopy ... fungus #comparison #table