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

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
bacilli - Fungi ... ) - Culture negative ... bacilli - Fungi ... #Endocarditis #Bacteria ... #Differential #InfectiousDiseases
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
Important Fungal ... and chitin in fungal ... • India ink - "Negative ... #microbiology #microscopy ... #table
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Pre-transplant: • Common bacteria ... Staphylococci (skin), Gram-negative ... Staphylococci (skin), Gram-negative ... difficile (gut) • Fungi ... diagnosis #causes #infectiousdiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... Tropheryma whipplei, Fungi ... under BCNIE, these bacteria ... #Endocarditis #InfectiousDiseases ... #Microbiology #
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
infections • Bacterial ... VZV, CMV, HIV • Fungal ... #dermatology #InfectiousDiseases ... Diagnosis #viral #fungal ... #Microbiology
(1,3)-β-d-glucan
Abundant cell wall polysaccharide, found in most fungi, except cryptococci, zygomycetes (mucor, rhizophus) and blastomyces.
Sensitivity 64%-93%;
found in most fungi ... 87%-100% False Negatives ... Positives: • Bacteremia ... diagnosis #laboratory #microbiology ... #infectiousdiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... or fungi (grows ... ) and 18S ( fungi ... differential #workup #infectiousdiseases
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
Microbiology: • ... • 15-35% Gram negative ... peritonitis • Fungal ... prior abx use, fungal ... Diagnosis #Management #InfectiousDiseases
Alternaria on Culture Plate and Microscopy
Adult w/ aplastic anemia, getting regular blood product infusions. Had Group
Culture Plate and Microscopy ... Group B Strep bacteremia ... Also had blood fungal ... environmental fungi ... #clinical #microbiology