11 results
Non-infective endocarditis Characteristics and Pathophysiology

By Dr. Sara Dong @swinndong via #IDFellowCase

#ID  #Infectious Diseases  #Infections
#Differential
Non-infective endocarditis ... Characteristics and Pathophysiology ... Differential #Ddx #Diagnosis ... #BCNIE #CNIE #Endocarditis ... #Cardiac #Pathophysiology
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
classically listed under BCNIE ... febrilepodcast] #BCNIE ... InfectiousDiseases ... #Microbiology #CNIE ... #BCNIE #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
(BCNIE) Definition ... Etiologies - "True" BCNIE ... techniques Work-up of BCNIE ... BCNIE Diagnostic ... @ID_fellows #BCNIE
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... ) - Culture negative ... #Infective #Endocarditis ... Bacteria #Pathogens #Diagnosis ... #Differential #InfectiousDiseases
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... cause infective endocarditis ... less than 3% of endocarditis ... More commonly endocarditis ... #Diagnosis #InfectiousDiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
specific to NBTE, and diagnosis ... is required for diagnosis ... serology: Serial negative ... Frequent false-negative ... #comparison #infective
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... Cryoglobulinemia, Endocarditis ... Pauci-immune mediated (Negative ... #differential #diagnosis
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
infections • Gram-negative ... 13%), Pneumonia, Endocarditis ... Cholecystitis Diagnosis ... fusiform gram-negative ... microbiology #zoonotic #infectiousdiseases
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential Diagnosis ... aureus, Coagulase-negative ... staphylococci Culture Negative ... #Differential #Diagnosis ... #cardiology #infectiousdiseases
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
disease states Pathophysiology ... culture used to diagnose ... Needle-shaped, negatively ... #CPPD #Gout #Comparison ... #rheumatology #Diagnosis