16 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... less systemic symptoms ... , holster sign, ... #Myositis #diagnosis ... #rheumatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... organ-specific signs ... or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Multi-system autoimmune ... and Symptoms: ... Scleroderma #SSc #rheumatology ... #diagnosis #signs ... #workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... pylori test (GI symptoms ... (CVID, WAS), (neurologic ... #hematology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... exclusion Necrotizing Autoimmune ... #differential #diagnosis ... #comparison #rheumatology ... #table
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Autoimmune diseases ... and duration of symptoms ... angioedema Other symptoms ... #rheumatology # ... comparison #table
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... noninflammatory Signs ... constitutional symptoms ... Rheumatologic Disease ... #MSK #rheumatology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... /symptoms or echo ... is required for diagnosis ... Predisposing conditions: Autoimmune ... #table
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... • Immunologic Workup ... sle #comparison #table ... #rheumatology # ... diagnosis #management
When to look for clonal/neoplastic hypereosinophilia (HEo)?
 - Exclusion of frequent causes (Drug-induced HEo, helminthiasis, cancer,
) - Clinical symptoms ... hypereosinophilia #HEON #Diagnosis ... #Signs #Hematology ... #Workup