7 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... result with no clinical ... positive predictive value ... used to exclude pulmonary ... #Workup #TB #Latent
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... If the value is ... low, tests to detect ... the presence of renal ... #Workup #Hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Algorithm Polycythemia ... that a one-off value ... about secondary causes ... Best to have an ... #Algorithm #workup
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
Related Disease Clinical ... pancreas, biliary, renal ... specific laboratory tests ... management #phenotypes #workup ... #treatment #rheumatology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential Diagnosis ... of lactate as a clinical ... to bolus these values ... tests before beginning ... output - Acute pulmonary
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
salivary ducts Clinical ... , INC risk PE, Pulmonary ... phenomenon (16%) MSK ... muscarinic agonists • Active ... Sjogrens #Syndrome #Rheumatology
Anemia of Hospitalization - Pathophysiology

Why does the Hgb/Hct drop in the first two days during hospitalization?

Interestingly,
oncotic pressures acting ... the Journal of Clinical ... phlebotomy/ blood work ... reasoning during clinical ... #differential #diagnosis