13 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Endocarditis (IE ... have a fastidious bacteria ... this be a non-bacterial ... #Endocarditis # ... Diagnosis #Management #Algorithm
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Responsible for Infective ... Endocarditis ... ) - Culture negative ... #Infective ... #Endocarditis #Bacteria
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... - Infective vs ... HACEK • Culture-negative ... amzn.to/2LmUODZ #Endocarditis ... #Algorithm #Infective
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... malignancy #Infective ... #Endocarditis # ... Sources #Causes #Bacteria
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... can also cause infective ... endocarditis. ... caused by HACEK bacteria ... More commonly endocarditis
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... under BCNIE, these bacteria ... causes #culture #negative ... #Endocarditis #
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Endocarditis No ... Features of Non-Bacterial ... serology: Serial negative ... Frequent false-negative ... cultures/serology: + (Negative
Complications of Staph Aureus Bacteremia
 • CNS Infections
 • Septic pulmonary embolism (0.9% - 18.8%)
 •
of Staph Aureus Bacteremia ... (0.9-5.5%) • Infective ... endocarditis ... - Native valve ( ... Staph #Aureus #Bacteremia
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 ... #BloodCulture #Negative ... #Infective #Endocarditis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
• Typhus, gram-negative ... endocarditis ... arthritis • Infective ... Associated with Relative ... • Sub-acute infective