29 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Testing - Nuclear ... #Testing #Nuclear ... Cytoplasmic #Patterns #differential ... #diagnosis #rheumatology
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
, and small vessel ... antineutrophil cytoplasmic antibody ... #Diagnosis #Rheumatology ... #Differential # ... Medium #Large #Classification
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Antinuclear Antibody ... Testing Cytoplasmic ... #Testing #Cytoplasmic ... #Patterns #differential ... #diagnosis #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... smear, HIV/HCV testing ... function test, ANA ... Platelet #Disorders #Differential ... #Workup #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... LFT • ESR • ANA ... • Complement (Low ... #rheumatology # ... classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... factor level • Low ... cytoplasmic antibody ... diagnosis #types #classification ... #rheumatology #
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
acidosis (Types 1 and ... type 4) - Salt wasting ... #Diagnosis #Low ... Potassium #Table #Classification ... #Causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm #rheumatology
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... Testing - Nuclear ... ARUPConsult @ARUPLabs #ANA ... #Patterns #differential ... #diagnosis #rheumatology
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Spot PC (protein ... in monitoring low-level ... antigen, hepatitis C antibody ... infections are common causes ... ANCA-related vasculitis