9 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
and sources of infection ... • Native and ... #Sources #Causes ... #Differential #Microbiology ... #Diagnosis #Pathogens
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... vs Noninfective Causes ... disease • Systemic infection ... bacilli • Fungi ... #Differential #Diagnosis
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... Tropheryma whipplei, Fungi ... #differential #diagnosis ... #negative #Endocarditis ... InfectiousDiseases #Microbiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... but important causes ... BCNIE Diagnostic ... #Infective #Endocarditis ... #diagnosis #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS ... ) Microbiology ... • Coagulase-negative ... Septic Emboli Cause ... Treat underlying cause
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
is required for diagnosis ... Frequent false-negative ... in up to 30% of cases ... large infarct - Infectious ... #comparison #infective
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
the majority of infections ... • Gram-negative ... failure: CID, Renal ... 13%), Pneumonia, Endocarditis ... Capnocytophaga #canimorsus #microbiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential Diagnosis ... Hypercoagulable (APLAS ... ) Microbiology ... aureus, Coagulase-negative ... staphylococci Culture Negative
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... weeks) Can Be Caused ... • Bacterial endocarditis ... aureus • Gram-negative ... tuberculosis) • Fungi