9 results
Microorganisms Responsible for Infective Endocarditis

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

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... negative infective ... endocarditis Bartonella ... #negative #Endocarditis ... #InfectiousDiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
from Infective Endocarditis ... serology: Serial negative ... Frequent false-negative ... /serology: + (Negative ... #comparison #infective
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... remain negative ... #Infective #Endocarditis ... differential #workup #infectiousdiseases
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
disease states Pathophysiology ... • Gram stain, culture ... Needle-shaped, negatively ... Gram stain and culture ... #Gout #Comparison
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
Positive effluent culture ... • 15-35% Gram negative ... polymicrobial Others • Culture ... negative peritonitis ... Diagnosis #Management #InfectiousDiseases
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
infections • Gram-negative ... 13%), Pneumonia, Endocarditis ... microorganism (Culture ... fusiform gram-negative ... microbiology #zoonotic #infectiousdiseases
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Endocarditis - Overview ... aureus, Coagulase-negative ... Negative: • Bartonella ... #Endocarditis ... Diagnosis #cardiology #infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
• Confirmed by culture ... Aspergillosis Pathophysiology ... Diagnosis: • Culture ... arthritis, and endocarditis ... ) #Mycoses #InfectiousDiseases