15 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Myositis and Myopathies ... Anti-retrovirals, Gemcitabine Lupus ... uncommon 5-15% of lupus ... BostonChiefs #Myositis #Myopathies ... diagnosis #comparison #rheumatology
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Idiopathic Inflammatory Myopathies ... Antisynthetase Syndrome ... #Inflammatory #Myopathies ... #Idiopathic #Myopathy ... Managment #algorithm #Rheumatology
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... 80%) - Proximal Weakness ... femoral heads • Myopathy ... #Systemic #Lupus ... Complications #pathophysiology
Idiopathic Inflammatory Myopathies (IIM's)

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

 • Overlap Myositis
Idiopathic Inflammatory Myopathies ... RASH + MUSCLE WEAKNESS ... antisynthetase syndrome ... Severe proximal weakness ... IIMs #diagnosis #rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Manifestations of Systemic Lupus ... Demyelinating Syndrome ... Aseptic Meningitis, Myelopathy ... Disease, PRES Pathophysiology ... CNS #neurology #rheumatology
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
proximal myalgia and weakness ... symmetric muscle weakness ... Guillain-Barré syndrome ... GBS), systemic lupus ... → Inflammatory myopathies
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... Paraneoplastic syndrome ... Myopathy: ... • Metabolic myopathies ... certain drug-induced myopathies
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Myositis Necrotizing myopathy ... level of muscle weakness ... anti-synthetase syndrome ... have significant weakness ... Myositis #diagnosis #rheumatology
NPSLE - Neurological and Psychiatric Manifestations of Systemic Lupus Erythematosus
 • Central: Aseptic meningitis, Cerebrovascular disease,
Manifestations of Systemic Lupus ... Demyelinating syndrome ... Seizure disorder, Myelopathy ... Guillain-Barre syndrome ... Erythematosus #SLE #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Hyperviscosity Syndrome ... purpura, Arthralgia, Weakness ... 20% Sjögren's syndrome ... (e.g. systemic lupus ... classification #rheumatology