7 results
Microorganisms Responsible for Infective Endocarditis

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

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective endocarditis ... whipplei, Fungi (Aspergillus ... , Candida), Mycoplasma ... #negative #Endocarditis ... #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... Fungal (Histoplasma/Aspergillus ... patient a surgical candidate ... #Infective #Endocarditis ... BloodCultures #Diagnosis #Management
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... whipplei, Fungi (Aspergillus ... , Candida), Mycoplasma ... Negative #Infective #Endocarditis ... differential #workup #infectiousdiseases
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS ... 90% of IE cases Culture ... Tropheryma Whipplei • Aspergillus ... • Blood cultures ... #diagnosis #management
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Endocarditis - Overview ... Hypercoagulable (APLAS ... Tropheryma Whipplei • Aspergillus ... #Endocarditis ... Diagnosis #cardiology #infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
• Confirmed by culture ... ASPERGILLOSIS • Aspergillus ... arthritis, and endocarditis ... ) #Mycoses #InfectiousDiseases ... Fungal #Diagnosis #Management