37 results
Blood Culture Collection Algorithm - Adult Patients with Suspected Systemic Infection 

Pawlowicz et al evidenced based
Suspected Systemic Infection ... suspected bacterial infections ... urinary tract infection ... , endocarditis, ... concerned for an infection
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... and sources of infection ... prosthetic valve endocarditis ... • Soft tissue infections ... #Differential #Microbiology
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
Endocarditis checklist ... suspect right-sided endocarditis ... for metastatic infection ... metastatic foci of infection ... Critical Care #Endocarditis
Endocarditis - Duke Criteria - Major and Minor

MAJOR CRITERIA: 
 - Persistently +ve blood culture for
Endocarditis - Duke ... Persistently +ve blood culture ... Coxiella burnetii infection ... Positive blood cultures ... criteria #Endocarditis
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Blood culture contaminants ... febrilepodcast] #ID #Infectious ... Diseases #Infections ... #Microbiology #
Duke's Criteria for Infective Endocarditis
Definite IE - Pathologic Criteria:
 • Pathologic lesions - vegetation or intracardiac
for Infective Endocarditis ... demonstrating active endocarditis ... demonstrated by culture ... evidence of active infection ... criteria #Infective #Endocarditis
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... negative infective endocarditis ... diagnosis #causes #culture ... #negative #Endocarditis ... InfectiousDiseases #Microbiology
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 ... : Blood cultures ... infarction • Infectious
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... separate blood cultures ... • Infection with ... Negative #Infective #Endocarditis
Infective Endocarditis - Diagnosis and Management Summary
Pearls:
 - Consider non-infectious endocarditis in pts with cancer/SLE and
Infective Endocarditis ... - Consider non-infectious ... endocarditis in ... cancer/SLE and - cultures ... #Infective #Endocarditis