12 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
asymptomatic patient has ... (TST) False-negative ... because false-negative ... sample = 95% • A negative ... #InfectiousDiseases
Pathophysiology of Diabetic Ketoacidosis (DKA) and Hyperglycemic Hyperosmolar Syndrome (HHS)
Absolute Insulin deficit:
 - Type I DM:
Pathophysiology ... Hyperosmolar Syndrome (HHS ... insulin demand Relative ... #pathophysiology ... #comparison #endocrinology
The Spectrum of Tuberculosis

As shown in the graphic from our Primer, exposure to M. tuberculosis can
memory, can have negative ... ‏ #Diagnosis #InfectiousDiseases ... #Tuberculosis #Testing ... #Subclinical #Active
Clozapine Toxicology
Clozapine is an atypical antipsychotic most often reserved for use in patients who have treatment-resistant
Clozapine Toxicology ... It has a greater ... effect on negative ... some limited activity ... #Clozapine #Toxicology
The following graph was prepared based on the latest information on Testing for the Diagnosis of
information on Testing ... the RNA PCR test has ... patient tests negative ... #Diagnosis #InfectiousDiseases ... #HIVAIDS #Testing
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
to maintain a negative ... resting potential ... node and AV node activity ... contraction force (negative ... Classification #Classes #pathophysiology
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
lags behind the active ... more curious is eating ... Classically has ... KOH will be negative
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 ... Frozen ice-pops (in setting ... Galactomannan #diagnosis #comparison
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Cell population has ... especially in the setting ... likelihood of negative ... indicator of infection relative ... CBC #hematology #pathophysiology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
disease states Pathophysiology ... deposit and can activate ... Synovial Fluid Testing ... Needle-shaped, negatively ... #CPPD #Gout #Comparison