12 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
and sources of infection ... • Native and ... • Soft tissue infections ... for TPN) and antibiotic ... #Differential #Microbiology
Daptomycin  - Antibiotics Class Overview

Mechanism: Lipopeptide antibiotic – forms transmembrane channels and depolarizes cells.
Daptomycin - Antibiotics ... Mechanism: Lipopeptide antibiotic ... No gram negative ... skin/soft tissue infections ... MRSA bacteremia/endocarditis
Aminoglycosides  - Antibiotics Class Overview

Gentamicin, Tobramycin, Amikacin, Streptomycin -30S inhibitor (all IV)
Spectrum: Extremely efficacious vs.
Aminoglycosides - Antibiotics ... . aerobic Gram negatives ... : serious gram negative ... infections especially ... effect (mainly in endocarditis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Disseminated Gonococcal Infection ... spread of the Gram-negative ... Laboratory Diagnosis ... joint effusion • Laboratory ... Diagnosis #Management #Microbiology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
serology: Serial negative ... Frequent false-negative ... cultures/serology: + (Negative ... large infarct - Infectious ... #comparison #infective
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... devices (CIED) Non-Infectious ... Hypercoagulable (APLAS) Microbiology ... • Coagulase-negative ... • IV Antibiotics
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
the majority of infections ... • Gram-negative ... 13%), Pneumonia, Endocarditis ... fusiform gram-negative ... Capnocytophaga #canimorsus #microbiology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
When considering infections ... fastidious gram-negative ... to meningitis, endocarditis ... Myocarditis & culture-negative ... or clindamycin Antibiotic
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
Microbiology: • ... • 15-35% Gram negative ... Conncomitant catheter infection ... Others • Culture negative ... • Prophylactic antibiotics
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Infectious: • Pre-existing ... Hypercoagulable (APLAS) Microbiology ... aureus, Coagulase-negative ... staphylococci Culture Negative ... Treatment • IV antibiotics