31 results
Daptomycin  - Antibiotics Class Overview

Mechanism: Lipopeptide antibiotic – forms transmembrane channels and depolarizes cells.
Daptomycin - Antibiotics ... Mechanism: Lipopeptide antibiotic ... No gram negative ... MRSA bacteremia/endocarditis ... #Pharmacology #Antibiotics
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... (IE) Has Negative ... Did they receive antibiotics ... Decreased yield due to antibiotic ... #Infective #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 ... effect (mainly in endocarditis ... #Pharmacology #Antibiotics
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... prosthetic valve endocarditis ... for TPN) and antibiotic ... #Infective #Endocarditis
Candidemia Workup and Management - IDSA Guidelines
1) Antibiotics
 • Empiric: Echinocandins (e.g. micafungin) for most patients
Guidelines 1) Antibiotics ... Susceptibilities, Negative ... Complications • Ocular ... week to assess ocular ... clinical concern for endocarditis
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... Treatment: • Antibiotic ... lines, osteo, endocarditis ... CNS, prostate, ocular ... (daptomycin in lungs
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... verrucous) • Lung ... • Coagulase-negative ... • IV Antibiotics ... #Endocarditis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
• Typhus, gram-negative ... Acute bacterial endocarditis ... • Infective endocarditis ... Associated with Relative ... Brucellosis • Liver or lung
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
bacilliformis: - Gram negative ... : ​• Miliar → Nodular ... → Mular DIAGNOSIS ... Supportive and antibiotics
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
infections • Gram-negative ... SIow growing, Long ... 13%), Pneumonia, Endocarditis ... fusiform gram-negative