11 results
Fungal biomarkers
Beta-d-glucan
Aspergillus galactomannan

By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com]

#ID  #Infectious Diseases  #Infections
#Differential #Ddx
febrilepodcast.com] #ID ... #Infections #Differential ... #Ddx #Diagnosis ... #Fungal #Fungi ... Aspergillus #Candida #Microbiology
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Negative Abscess ... - Differential ... Diagnosis Framework ... Scedosporium, endemic fungi ... #Negative #Abscess
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Blood culture contaminants ... Grouped by gram negative ... febrilepodcast] #ID ... #Infections #Microbiology ... #Ddx #Diagnosis
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
disease • Systemic infection ... • HACEK • Culture-negative ... bacilli • Fungi ... bacilli • Fungi ... #Diagnosis
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... fastidious bacteria or fungi ... Tropheryma whipplei, Fungi ... bacteria) and 18S ( fungi ... #differential #
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Tropheryma whipplei, Fungi ... BCNIE #Causes #differential ... #diagnosis #causes ... #culture #negative ... InfectiousDiseases #Microbiology
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
Things To Know Diagnosis ... Positive effluent culture ... Microbiology: • ... Conncomitant catheter infection ... Washington University ID
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
component of many fungi ... BAL GM does not differentiate ... closely related fungi ... setting of GVHD) ID ... Galactomannan #diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... devices (CIED) Non-Infectious ... Hypercoagulable (APLAS) Microbiology ... • Coagulase-negative ... Marantic (NTBE) Differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... • Sputum/Blood cultures ... Prevotella • Fungal ... Differential Diagnosis