75 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
• Lupus (SLE): ... Antiphospholipid Antibody Syndrome ... Anti-cardiolipin (aCl ... LAC) • Sjogren Syndrome ... #diagnosis #associations
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... has hematuria and ... hematuria (RBC casts ... #Comparison #Algorithm ... #Nephrology #Diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... (e.g., SLE), anti-phospholipid ... (CVID, WAS), (neurologic ... not required in all ... #hematology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Anti-Scl-70 - Scleroderma ... La) - Sjogren's syndrome ... Goodpasture's syndrome ... Associations #diseases #diagnosis ... #table #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Discontinuation of causal ... Workup: - ANA ... #comparison #table ... #rheumatology # ... diagnosis #management
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Splenomegaly - CTD (SLE ... Kasabach-Merritt syndrome ... Associated - SLE ... #hematology #rheumatology
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
- Differential Diagnosis ... • Gilbert's Syndrome ... (l and II) Hepatic ... Dilatation on Ultrasound ... #Algorithm #Causes
Differentiation Between Nephrotic Syndrome and Nephritic Syndrome 
== Nephrotic Syndrome ==
Onset - Insidious 
Edema - ++++
Blood
and Nephritic Syndrome ... Red blood cell casts ... #Nephritic #Comparison ... #Table #Nephrology ... #Diagnosis
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Neoplastic / Hematologic ... Arthritis • SLE ... Pulmonary Disease Neurologic ... Chronic Fatigue Syndrome
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Smith, Sm/RNP, Scl ... body-like: - Neurologic ... ARUPConsult @ARUPLabs #ANA ... #differential #diagnosis ... #rheumatology