47 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Endocarditis Native ... epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... #Differential #InfectiousDiseases
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
testing (TST) False-negative ... because false-negative ... sample = 95% • A negative ... Testing #Diagnosis #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
Here is a quick guide on the common direct-acting antivirals (DAAs) for chronic hepatitis C virus
common direct-acting ... Antivirals #table #treatment ... #medications #infectiousdisease
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
with passive AND active ... viral arthritis Workup ... arthritis diagnosis Treatment ... staphylococcus, gram negative ... arthritis in sexually active
The Spectrum of Tuberculosis

As shown in the graphic from our Primer, exposure to M. tuberculosis can
memory, can have negative ... ‏ #Diagnosis #InfectiousDiseases ... #Subclinical #Active
Bacteremia Quick Reference - Treatment Duration

Gram Negative Bacteremia:
 • Avoid: Aminoglycosides and tigecycline
 • Catheters should
Quick Reference - Treatment ... Duration Gram Negative ... at 24 hours are negative ... #Bacteremia #Treatment ... Management #Duration #infectiousdiseases
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... danger of aerosol) Treatment ... first line of treatment ... diagnosis #management #treatment ... #infectiousdiseases
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
• Some false negative ... with response to treatment ... monoclonality • "Reactive ... IgG4+ cells" Treatment ... management #phenotypes #workup