8 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
SLE, SjS, CTD-ILD ... phenomenon - EJ, Jo-1, ... ARUPConsult @ARUPLabs #ANA ... #differential # ... diagnosis #rheumatology
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
similar aggregation pattern ... cytometry — GP Ilb ... agonists • This pattern ... either severe Type 1 ... or Type 3) — differentiate
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Differential Diagnosis ... fever • Hyper-IgD ... syndrome • Tumor ... #Differential #
Venous Excess Ultrasound (VExUS) - Fluid Overload and Venous Congestion Assessment
Step 1: IVC Diameter: If >2cm,
Venous Excess Ultrasound ... Assessment Step 1: ... IVC < 2cm Grade 1 ... (Mild congestion ... VExUS #diagnosis #pocus
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... • Acute lupus pneumonitis ... titers > 1:80 ... Ro/La, anti-Jo-1,
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... • Is there a pattern ... lasting > 30 mins - 1 ... asymmetric pattern ... #Joint #pain #Differential
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Testing Cytoplasmic Patterns ... SLE, SjS, CTD-ILD ... phenomenon • EJ, Jo-1, ... #differential # ... diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Anti-MDA5 (RP-ILD ... Ab • Anti-Jo-1 ... pattern of muscle ... #differential #