23 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... therapy - Number one cause ... have a fastidious bacteria ... this be a non-bacterial ... Diagnosis #Management #Algorithm
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... which can also cause ... is caused by HACEK ... bacteria. ... is caused by Alpha-haemolytic
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... vs Noninfective Causes ... amzn.to/2LmUODZ #Endocarditis ... #Algorithm #Infective ... #Noninfective #Causes
Epidemiological Clues That May be Helpful in Defining the Etiological Diagnosis of Culture-Negative Endocarditis

#Endocarditis #Bacteria #Differential
Epidemiological Clues ... Diagnosis of Culture-Negative ... Endocarditis ... #Endocarditis #Bacteria ... Microorganisms #Clues
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 ... in up to 30% of cases
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... prosthetic valve endocarditis ... #Sources #Causes ... #Bacteria #Etiology
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... under BCNIE, these bacteria ... #culture #negative ... #Endocarditis #
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Alpha-hemolytic, Catalase Negative ... • Most common cause ... media • Important cause ... peritonitis, and endocarditis ... Meningitis 10-14 days, Endocarditis
Blood Culture Collection Algorithm - Adult Patients with Suspected Systemic Infection 

Pawlowicz et al evidenced based
Culture Collection Algorithm ... Algorithm Source ... with suspected bacterial ... suspected source of bacterial ... tract infection, endocarditis
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... separate blood cultures ... but important causes ... #Infective #Endocarditis