15 results
Microorganisms Responsible for Infective Endocarditis

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

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... BCNIE #Causes #differential ... #Endocarditis # ... InfectiousDiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... Abscess - Differential ... Sweet's Syndrome, hidradenitis ... #Abscess #Differential ... #Diagnosis #InfectiousDiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... See charts - ... #Infective #Endocarditis ... #diagnosis #differential ... #workup #infectiousdiseases
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
infections • Gram-negative ... ), Malignancy, SLE ... 13%), Pneumonia, Endocarditis ... Treatment: • 50% ... microbiology #zoonotic #infectiousdiseases
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE ... are evocative of SLE ... • Immunologic Workup ... pANCA anti-MPO - Negative ... life-threatening • Treatment
Candidemia Workup and Management - IDSA Guidelines
1) Antibiotics
 • Empiric: Echinocandins (e.g. micafungin) for most patients
Candidemia Workup ... Susceptibilities, Negative ... clinical concern for endocarditis ... Additional metastatic workup ... #candidiasis #treatment
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... constitutional symptoms • Treatment ... • Immunologic Workup ... pANCA anti-MPO - Negative ... life-threatening • Treatment
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... • Autoimmune (SLE ... • Coagulase-negative ... Marantic (NTBE) Differential ... #Endocarditis
Hematuria in Post-Renal Transplant Patient
Prevalence up to 12% in the postrenal transplant patient
 • Bacterial: Escherichia
cell carcinoma (native ... Goodpasture's syndrome, SLE ... Renal #Transplant #differential ... urine #management #treatment