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

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Responsible for Infective ... bacilli - Fungi (Candida ... , Aspergillus, Histoplasma ... ) - Culture negative ... #Differential #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... negative infective ... whipplei, Fungi (Aspergillus ... , Candida), Mycoplasma ... #Endocarditis #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
My Patient with Infective ... Negative Blood Cultures ... Fungal (Histoplasma/Aspergillus ... patient a surgical candidate ... Ahmed_HBabiker #Infective
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... whipplei, Fungi (Aspergillus ... , Candida), Mycoplasma ... differential #workup #infectiousdiseases
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
Pathology • Candida ... Pathology #clinical #microscopy ... #table #atlas #
Coverage of common antibiotics used in the hospital

For empiric coverage, first define the type of infection,
define the type of infection ... then review prior cultures ... Obtain cultures ... #management #infectiousdisease ... pharmacology #table
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
developing active infection ... • Tuberculosis infection ... TB AFB smear microscopy ... Mycobacterial culture ... LatentTB #ActiveTB #InfectiousDiseases
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
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
• Confirmed by culture ... ASPERGILLOSIS • Aspergillus ... Diagnosis: • Culture ... positive blood cultures ... ) #Mycoses #InfectiousDiseases