799 results
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... microbiological techniques Work-up ... Negative #Infective #Endocarditis ... #differential #workup
Candidemia Workup and Management - IDSA Guidelines
1) Antibiotics
 • Empiric: Echinocandins (e.g. micafungin) for most patients
Candidemia Workup ... Susceptibilities, Negative Cultures ... clinical concern for endocarditis ... Additional metastatic workup
Duke's Criteria for Infective Endocarditis
Definite IE - Pathologic Criteria:
 • Pathologic lesions - vegetation or intracardiac
for Infective Endocarditis ... demonstrating active endocarditis ... demonstrated by culture ... positive blood culture ... criteria #Infective #Endocarditis
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
Endocarditis checklist ... Peripheral blood cultures ... • Additional culture ... suspect right-sided endocarditis ... Critical Care #Endocarditis
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... Negative Blood Cultures ... antibiotics prior to cultures ... Number one cause of culture ... #Infective #Endocarditis
Endocarditis - Duke Criteria - Major and Minor

MAJOR CRITERIA: 
 - Persistently +ve blood culture for
Endocarditis - Duke ... Persistently +ve blood culture ... Positive blood cultures ... criteria #Endocarditis
Blood Culture Collection Algorithm - Adult Patients with Suspected Systemic Infection 

Pawlowicz et al evidenced based
Blood Culture Collection ... to obtain blood cultures ... drawing blood cultures ... warrant blood cultures ... tract infection, endocarditis
Epidemiological Clues That May be Helpful in Defining the Etiological Diagnosis of Culture-Negative Endocarditis

#Endocarditis #Bacteria #Differential
Etiological Diagnosis of Culture-Negative ... Endocarditis ... #Endocarditis #Bacteria
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... Microbiology: Blood cultures ... 90% of IE cases Culture ... staphylococci Culture ... • Blood cultures
Infective Endocarditis - Diagnosis and Management Summary
Pearls:
 - Consider non-infectious endocarditis in pts with cancer/SLE and
Infective Endocarditis ... non-infectious endocarditis ... cancer/SLE and - cultures ... #Infective #Endocarditis