9 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Responsible for Infective ... Endocarditis ... #Infective ... #Endocarditis #Bacteria ... #Differential #InfectiousDiseases
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... can also cause infective ... endocarditis. ... More commonly endocarditis ... #Diagnosis #InfectiousDiseases
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
Capnocytophaga ... infections • Gram-negative ... 13%), Pneumonia, Endocarditis ... fusiform gram-negative ... microbiology #zoonotic #infectiousdiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... causes #culture #negative ... #Endocarditis # ... InfectiousDiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Differentiating NBTE from Infective ... serology: Serial negative ... Frequent false-negative ... infarcts Features of Infective ... #comparison #infective
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
fastidious gram-negative ... to meningitis, endocarditis ... Myocarditis & culture-negative ... C. canimorsus infection ... infection should
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... cultures 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 ... diagnose concomitant infection ... Needle-shaped, negatively ... Diagnose concomitant infection ... #CPPD #Gout #Comparison
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
50% in chronic infection ... weeks for acute infection ... Aspergillosis Pathophysiology ... arthritis, and endocarditis ... ) #Mycoses #InfectiousDiseases