7 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Responsible for Infective ... (Candida, Aspergillus ... Histoplasma) - Culture ... negative #Infective ... #Endocarditis #Bacteria
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... under BCNIE, these bacteria ... #CNIE #BCNIE #cardiology
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
My Patient with Infective ... have a fastidious bacteria ... this be a non-bacterial ... Fungal (Histoplasma/Aspergillus ... patient a surgical candidate
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... or fungi (grows ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... ) and 18S ( fungi
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS ... Tropheryma Whipplei • Aspergillus ... • Blood cultures ... • Persistent bacteremia ... diagnosis #management #cardiology
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
Myocarditis • Bacterial ... ) • Fungal - Aspergillus ... , Blastomyces, Candida ... lymphocytic, infection-negative ... differential #diagnosis #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Hypercoagulable (APLAS ... 90% of IE cases Culture ... Tropheryma Whipplei • Aspergillus ... • Persistent bacteremia ... Differential #Diagnosis #cardiology