4 results
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies ... Anti-MDA5, anti-Mi ... exclusion Necrotizing Autoimmune ... #rheumatology # ... table
Idiopathic Inflammatory Myopathies (IIM's)

RASH + MUSCLE WEAKNESS → Consider idiopathic inflammatory myopathies (IIM's)

 • Overlap Myositis
Myopathies (IIM's ... • Overlap Myositis ... features of another autoimmune ... Inclusion body myositis ... #diagnosis #rheumatology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... necrotizing myopathy • Autoimmune ... • Metabolic myopathies ... EMG) studies • MRI ... #Differential #Diagnosis
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... Framework Inflammatory ... Myopathies: Commonly ... , drug-induced myopathies ... #rheumatology #