9 results
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
negative vs gram positive ... @swinndong via Febrile ... febrilepodcast] #ID ... #Infectious Diseases ... Bloodculture #Bloodcx #bcx
Fungal biomarkers
Beta-d-glucan
Aspergillus galactomannan

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

#ID  #Infectious Diseases  #Infections
#Differential #Ddx
@swinndong via Febrile ... febrilepodcast.com] #ID ... #Infectious Diseases ... #Infections #Differential ... Fungal #Fungi #BDG
By @LeaGoren @Aliceclehman @thie0149 via Febrile [febrilepodcast.com  @febrilepodcast]
#ID  #InfectiousDiseases  #Infections
#Microbiology #Micro
#BCG #Mbovis #TB
@thie0149 via Febrile ... febrilepodcast] #ID ... InfectiousDiseases #Infections ... Microbiology #Micro #BCG
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
circumcised Consider BCx ... particularly complex febrile ... seizure) #Diagnosis #Peds
How to Determine a Contaminant vs True Infection 

What is the organism? Most 
common contaminants:
Contaminant vs True Infection ... culture sets are positive ... Contamination #Diagnosis #BCx
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
patient has a positive ... developing active infection ... • History of BCG ... • Tuberculosis infection ... • The positive
Duke's Criteria for Infective Endocarditis
Definite IE - Pathologic Criteria:
 • Pathologic lesions - vegetation or intracardiac
- Persistently positive ... - Single positive ... phenomena • Micro: + bcxs ... evidence of active infection ... @swinndong via Febrile
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Specificity: - Serum BDG ... invasive fungal infection ... should not increase BDG ... surfaces - Infections ... setting of GVHD) ID
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vulnificus skin infection ... Hippocrates in 5 BC ... immunosuppressive meds ... Vulnificus #skin #infection ... legs #clinical #photo