8 results
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
Microorganisms Responsible for Infective Endocarditis

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

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... negative infective endocarditis ... whipplei, Fungi (Aspergillus ... , Candida), Mycoplasma ... #negative #Endocarditis
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
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... whipplei, Fungi (Aspergillus ... , Candida), Mycoplasma ... Negative #Infective #Endocarditis
Candidemia Workup and Management - IDSA Guidelines
1) Antibiotics
 • Empiric: Echinocandins (e.g. micafungin) for most patients
Candidemia Workup and Management ... Susceptibilities, Negative Cultures ... clinical concern for endocarditis ... IDSA #Guidelines #Management ... #candida #candidiasis
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Endocarditis - Overview ... Hypercoagulable (APLAS ... 90% of IE cases Culture ... Tropheryma Whipplei • Aspergillus ... #Endocarditis
Mycoses

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