16 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... Antibody) and ANCA ... in drug-induced SLE ... #Antinuclear #Antibody ... #rheumatology #
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
Discoid Rash A Antinuclear ... Antibody (ANA) ... Pleuritis) H Hematologic ... #IMDAMNSHARP #sle ... erythematosus #rheumatology
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Testing - Nuclear ... #Antinuclear #Antibody ... #differential #diagnosis ... #rheumatology
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Antinuclear Antibody ... Testing Cytoplasmic ... #Antinuclear #Antibody ... #differential #diagnosis ... #rheumatology
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... Testing - Nuclear ... #Antinuclear #Antibody ... #differential #diagnosis ... #rheumatology
Autoimmune Hepatitis - Testing Algorithm
Individual Tests:
 • F-Actin (Smooth Muscle) Antibody, IgG by ELISA with Reflex
Autoimmune Hepatitis - Testing ... Algorithm Individual ... , IgG Titer • Antinuclear ... Antibody (ANA), ... #diagnosis #hepatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers ... , Interstitial Pulmonary ... #patterns #rheumatology ... #diagnosis #differential
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... With associated pulmonary ... (C-ANCA): GPA > ... #differential #diagnosis ... #algorithm #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... ) - Antinuclear ... antibody (ANA) test ... (to support a diagnosis ... #testing #Rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... smear, HIV/HCV testing ... function test, ANA ... (e.g., SLE), anti-phospholipid ... #hematology