2516 results
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 ... #Differential #
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... Histoplasma) - Culture ... streptococci - Culture ... #Infective #Endocarditis ... Pathogens #Diagnosis #Differential
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... negative infective endocarditis ... BCNIE #Causes #differential ... diagnosis #causes #culture ... #negative #Endocarditis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Microbiology: Blood cultures ... 90% of IE cases Culture ... staphylococci Culture ... Marantic (NTBE) Differential ... • Blood cultures
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 ... Negative #Infective #Endocarditis ... #diagnosis #differential
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... • HACEK • Culture-negative ... amzn.to/2LmUODZ #Endocarditis ... Noninfective #Causes #Differential
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Endocarditis - Overview ... and Differential ... 90% of IE cases Culture ... #Endocarditis ... #Differential #
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
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
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