15 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... Did they receive antibiotics ... Decreased yield due to antibiotic ... have a fastidious bacteria ... this be a non-bacterial
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... for TPN) and antibiotic ... Sources #Causes #Bacteria ... #Differential #Microbiology
Daptomycin  - Antibiotics Class Overview

Mechanism: Lipopeptide antibiotic – forms transmembrane channels and depolarizes cells.
Daptomycin - Antibiotics ... Mechanism: Lipopeptide antibiotic ... No gram negative ... more for MRSA bacteremia ... /endocarditis (due
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... peritonitis, and endocarditis ... Meningitis 10-14 days, Endocarditis ... Pneumoniae #strep #microbiology
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 ... InfectiousDiseases #Microbiology ... #CNIE #BCNIE #cardiology
Aminoglycosides  - Antibiotics Class Overview

Gentamicin, Tobramycin, Amikacin, Streptomycin -30S inhibitor (all IV)
Spectrum: Extremely efficacious vs.
Aminoglycosides - Antibiotics ... . aerobic Gram negatives ... : serious gram negative ... suspected (pneumonia, bacteremia ... effect (mainly in endocarditis
SPICE (SPACE) Organisms
 - Colloquial acronym for gram-negative bacteria that have inducible, chromosomal beta-lactamase genes known
acronym for gram-negative ... bacteria that have ... to beta-lactam antibiotics ... #Diagnosis #Microbiology ... #SPICE #SPACE #Bacteria
SPICE (SPACE) Organisms

Gram-negative bacteria that have inducible, chromosomal beta-lactamase genes known as AmpC - Resistance may
Organisms Gram-negative ... bacteria that have ... #Diagnosis #Microbiology ... #SPICE #SPACE #Bacteria ... AmpC #Resistance #Antibiotics
General Bacterial Antibiogram - Antibiotics and Spectrum of Coverage
Make sure you consult your local antibiogram!
VRE -
General Bacterial ... Antibiogram - Antibiotics ... POSITIVES - GRAM NEGATIVES ... #Classes #Bacterial ... #Pharmacology #Microbiology
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 ... cultures/serology: + (Negative ... #comparison #infective