20 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... Histoplasma) - Culture ... #Endocarditis # ... Bacteria #Pathogens ... #Differential #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... (IE) Has Negative ... have a fastidious bacteria ... this be a non-bacterial ... #Infective #Endocarditis
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective ... endocarditis Bartonella ... under BCNIE, these bacteria ... #negative #Endocarditis ... #InfectiousDiseases
Epidemiological Clues That May be Helpful in Defining the Etiological Diagnosis of Culture-Negative Endocarditis

#Endocarditis #Bacteria #Differential
Etiological Diagnosis of Culture-Negative ... Endocarditis ... #Endocarditis #Bacteria
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
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... cause infective endocarditis ... caused by HACEK bacteria ... More commonly endocarditis ... #Diagnosis #InfectiousDiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Features of Non-Bacterial ... serology: Serial negative ... Frequent false-negative ... /serology: + (Negative ... #comparison #infective
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Alpha-hemolytic, Catalase Negative ... cause of: CAP, Bacterial ... peritonitis, and endocarditis ... sinus • Sputum culture ... Meningitis 10-14 days, Endocarditis
Bacteremia Quick Reference - Treatment Duration

Gram Negative Bacteremia:
 • Avoid: Aminoglycosides and tigecycline
 • Catheters should
Duration Gram Negative ... • No follow up cultures ... Follow-up blood cultures ... are negative ... Management #Duration #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