33 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... #Endocarditis #Bacteria ... #Differential #InfectiousDiseases
Bacteremia Quick Reference - Treatment Duration

Gram Negative Bacteremia:
 • Avoid: Aminoglycosides and tigecycline
 • Catheters should
Reference - Treatment ... Duration Gram Negative ... at 24 hours are negative ... #Treatment #Management ... #Duration #infectiousdiseases
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Pre-transplant: • Common bacteria ... Staphylococci (skin), Gram-negative ... Engraftment: • Common bacteria ... Staphylococci (skin), Gram-negative ... diagnosis #causes #infectiousdiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... microbiological techniques Work-up ... #differential #workup ... #infectiousdiseases
Table 3. Suggested Empiric Treatment Options for Clinically Suspected Ventilator-Associated Pneumonia in Units Where Empiric Methicillin-Resistant
Suggested Empiric Treatment ... Antipseudomonal/Gram-Negative ... Appropriate #Management #InfectiousDiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... as a cause of a negative ... Sweet's Syndrome, hidradenitis ... AnnKumfer #Culture #Negative ... Differential #Diagnosis #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... under BCNIE, these bacteria ... causes #culture #negative ... #Endocarditis #InfectiousDiseases
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... caused by HACEK bacteria ... #Diagnosis #InfectiousDiseases
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Management Summary Bacteremic ... spread of the Gram-negative ... typically part of the workup ... #Microbiology #InfectiousDiseases
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Alpha-hemolytic, Catalase Negative ... Urine antigen in bacteremia ... Specificity of 97%) Treatment ... patients with bacteremia ... Duration: PNA 5 days, Bacteremia