584 results
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Culture-Negative Infective Endocarditis ... recovery rate of bacteria ... intra-cellular bacteria ... - Serology for zoonotic ... Negative #Infective #Endocarditis
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... prosthetic valve endocarditis ... #Infective #Endocarditis ... Sources #Causes #Bacteria
Non-Infective Endocarditis - Pathophysiology
Non-infective Endocarditis Pathophysiology:
 • Valves usually undamaged - Etiology poorly understood but thought
Non-Infective Endocarditis ... Non-infective Endocarditis ... rare Infective Endocarditis ... endothelium is common → Bacteria ... over clusters of bacteria
HACEK is the acronym commonly used to describe and help doctors to remember a group of
cause infective endocarditis ... less than 3% of endocarditis ... caused by HACEK bacteria ... More commonly endocarditis ... HACEK #Organisms #Endocarditis
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... have a fastidious bacteria ... this be a non-bacterial ... #Infective #Endocarditis
Epidemiological Clues That May be Helpful in Defining the Etiological Diagnosis of Culture-Negative Endocarditis

#Endocarditis #Bacteria #Differential
Culture-Negative Endocarditis ... #Endocarditis ... #Bacteria #Differential
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
cause of: CAP, Bacterial ... peritonitis, and endocarditis ... Urine antigen in bacteremia ... patients with bacteremia ... Meningitis 10-14 days, Endocarditis
Typical Recommendations for Antibiotic Duration for Common Bacterial Infections in Adults 

- Dr. Eric Strong @DrEricStrong
Duration for Common Bacterial ... Antibiotics #Durations #Bacteria
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
• Viral and bacterial ... pneumonia • Acute bacterial ... endocarditis ... • Infective endocarditis ... /years without bacterial
C5-C9 Deficiency - Pathogenesis and Clinical Findings
Note:
 • Risk of invasive meningococcal disease is 1000-10000x higher
pathogens Bacterial ... MAC formation on bacterial ... channels within bacterial ... => • Bacteria ... stiffness • Bacteria