8 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
(TST) False-negative ... because false-negative ... sample = 95% • A negative ... #Diagnosis #Workup ... #InfectiousDiseases
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... susceptibility testing ... • Laboratory testing ... typically part of the workup ... #Microbiology #InfectiousDiseases
The Spectrum of Tuberculosis

As shown in the graphic from our Primer, exposure to M. tuberculosis can
memory, can have negative ... @paimadhu ‏ #Diagnosis ... #InfectiousDiseases ... #Tuberculosis #Testing ... #Subclinical #Active
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
with passive AND active ... viral arthritis Workup ... staphylococcus, gram negative ... 90% sensitive in pediatrics ... arthritis in sexually active
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
- Differential Diagnosis ... Beta-Agonists, ↑ work ... acidosis with negative ... separate D-lactate testing ... #criticalcare #
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Coccidioides - Negative ... Cryptococcus - Negative ... admin of mold-active ... Galactomannan #diagnosis ... #comparison
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
deposit and can activate ... culture used to diagnose ... Synovial Fluid Testing ... Needle-shaped, negatively ... #CPPD #Gout #Comparison
The crusade against “Ab”Normal Saline continues.  This is a non-physiologic fluid that can harm our
ECF and ICF both work ... making it more negative ... patients we are all treating ... #foamed #criticalcare ... #management #diagnosis