23 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
Daptomycin  - Antibiotics Class Overview

Mechanism: Lipopeptide antibiotic – forms transmembrane channels and depolarizes cells.
Daptomycin - Antibiotics ... No gram negative ... more for MRSA bacteremia ... /endocarditis (due ... cidal nature) #Pharmacology
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... ) - Culture negative ... #Infective #Endocarditis ... #Bacteria #Pathogens ... #Diagnosis #Differential
Aminoglycosides  - Antibiotics Class Overview

Gentamicin, Tobramycin, Amikacin, Streptomycin -30S inhibitor (all IV)
Spectrum: Extremely efficacious vs.
Aminoglycosides - Antibiotics ... . aerobic Gram negatives ... suspected (pneumonia, bacteremia ... effect (mainly in endocarditis ... #Pharmacology #Antibiotics
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... for TPN) and antibiotic ... Sources #Causes #Bacteria ... #Etiology #Differential
Epidemiological Clues That May be Helpful in Defining the Etiological Diagnosis of Culture-Negative Endocarditis

#Endocarditis #Bacteria #Differential
Diagnosis of Culture-Negative ... Endocarditis ... #Endocarditis #Bacteria ... #Differential #
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 ... BCNIE #Causes #differential ... #Endocarditis #
Synercid (Quinupristin/Dalfopristin) (IV) - Antibiotics Class Overview

Mechanism: “Streptogramins”– inhibits sequential steps in ribosomal synthesis
Spectrum: covers MRSA
Dalfopristin) (IV) - Antibiotics ... Poor choice for bacteremia ... /endocarditis due ... #Pharmacology #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 ... Susceptibilities #Pharmacology
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Failure - Differential ... Bug: Atypical bacteria ... Aggressive: MRSA bacteremia ... lines, osteo, endocarditis ... #Failure #Differential