8 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... ), Sjogren's Syndrome ... #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... : The ANA patterns ... #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Testing - Nuclear ... #Testing #Nuclear ... #differential # ... diagnosis #rheumatology
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... Testing - Nuclear ... pattern: • SLE ... #Patterns #differential ... #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Purpura Anti-GBM antibodies ... With associated pulmonary ... #diagnosis #algorithm ... #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... Measurement of antinuclear ... • Abdominal ultrasound ... #Diagnosis #Algorithm ... #Causes #dermatology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... ab • RF • Antinuclear ... Hypocomplementemia • Can cause ... , INC risk PE, Pulmonary ... #Syndrome #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
, proteinuria, rapidly ... often causes arthritis ... ) pattern: antibodies ... SLE) • Urinalysis ... #diagnosis #rheumatology