191 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... connective tissue disease ... Sjogren's Syndrome (SS ... Kumfer @AnnKumfer #Antinuclear ... ANA #patterns #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... ANA ≠ Autoimmune Disease ... Sjogren's Syndrome (SS ... Kumfer @AnnKumfer #Antinuclear ... ANA #patterns #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... Association with disease ... 30-40% Target: SS-A ... with auto-immune diseases ... erythematosus #diagnosis #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... connective tissue disease ... Jcortesizaguirr #ANA #Antinuclear ... antibodies #diagnosis #rheumatology ... #diseases
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
Discoid Rash A Antinuclear ... Arthritis R Renal Disease ... erythematosus #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Erythematosus - Summary Antinuclear ... with more severe disease ... Used to monitor disease ... with more severe disease ... Summary #diagnosis #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Consider sickle cell disease ... ): SS, SC, SE, Sβ ... Cold agglutinins disease ... , Hemoglobin H disease ... Algorithm #workup #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
anemia, Chronic disease ... deficiency, Liver Disease ... Uremia, Liver disease ... RBC: Hemoglobin SS ... differential #diagnosis #hematology
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Hyperferritinemia Pearl: Diseases ... Still's disease ... Differential #Diagnosis #Hematology
Sensitivity of the ANA in Autoimmune & Nonrheumatic Disease

#Diagnosis #Rheumatology #ANA #AntiNuclear #Antibodies #Sensitivity
& Nonrheumatic Disease ... #Diagnosis #Rheumatology ... #ANA #AntiNuclear