41 results
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
Ivermectin. Old anti-parasitic agent making a comeback with recent headlines from in-vitro study that showed antiviral
showed antiviral activity ... Pandemic #Outbreak #InfectiousDiseases ... #Pharmacology #Treatment
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
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
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
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
Candidemia Workup and Management - IDSA Guidelines
1) Antibiotics
 • Empiric: Echinocandins (e.g. micafungin) for most patients
Candidemia Workup ... Susceptibilities, Negative ... Additional metastatic workup ... #candidiasis #treatment
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
trend response to treatment ... Culture (ElA may be negative ... Coccidioides #Diagnosis #workup ... #infectiousdiseases