29 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Anti-retrovirals, Gemcitabine Lupus ... uncommon 5-15% of lupus ... myopathy) VA Joint ... #differential #diagnosis ... #comparison #rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... Aseptic Meningitis, Myelopathy ... permeability Diagnosis ... Erythematosus #SLE #CNS ... #neurology #rheumatology
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Myositis Specific ... Mediated Necrotizing Myopathy ... Inclusion Body Myositis ... MSAs #clinical #diagnosis ... #rheumatology #
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... Necrotizing myopathy ... /full triad at diagnosis ... and anti-HMGCR myopathy ... #diagnosis #rheumatology
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... Normal CK - Myositis ... femoral heads • Myopathy ... #Systemic #Lupus ... signs #symptoms #diagnosis
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
- Differential Diagnosis ... Disease: Systemic Lupus ... , Inflammatory Myopathy ... #Differential #Diagnosis ... #rheumatology
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
• Myalgia • Myositis ... GBS), systemic lupus ... inclusion body myositis ... Atorvastatin Diagnosis ... #diagnosis #management
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... pulmonary etc) • CNS ... proximal weakness Myopathy ... mediated necrotizing myopathy ... #Differential #Diagnosis
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
sclerosis, Thyroid myopathy ... neuropathy, Orbital myositis ... #differential #diagnosis ... #ophthalmology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... glycoprotein I (ß2GP), Lupus ... Peptide (CCP) • Myositis ... #diagnosis #associations