12 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... associated with higher CK ... greater level of muscle ... less systemic symptoms ... @AnnKumfer #Autoimmune
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Weakness, Normal CK ... - Myositis ... Weakness, Incr CK ... Erythematosus #SLE #MSK ... pathophysiology #signs #symptoms
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Causes of Elevated CK ... Levels Acute CK ... ): • PROXIMAL MUSCLE ... myopathy - Autoimmune ... Inclusion body myositis
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
Symptoms (SAMS) ... symptoms: weeks ... • Myalgia • Myositis ... inclusion body myositis ... Diagnosis: • CK
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
which impairs musde ... Asymptomatic CK ... proximal myopathy → Muscle ... pathophysiology #signs #symptoms ... #endocrinology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... Tests: • Measure CK ... (symmetric) • CK ... weakness • CK ... Very high serum CK
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
) is an autoimmune-mediated ... neuritis • Partial myelitis ... defect SIGNS/SYMPTOMS ... Signs and symptoms ... /or cerebellar symptoms
Hypothyroidism and Hyperthyroidism - Symptoms and Signs
Hypothyroidism:
 - General - From asymptomatic to myxedema coma, “Like
Hyperthyroidism - Symptoms ... cold, pale - Muscles ... Amy Chung, MD, MSc ... #Hyperthyroid #Symptoms ... Signs #Diagnosis #endocrinology
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
Cause in the US: Autoimmune ... ketoconazole, etomidate) Symptoms ... N/V (60-90%), Muscle ... Diagnosis #Management #Endocrinology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Joints: myalgia and muscle ... Conjunctivitis, mucositis ... Presentation - Systemic Symptoms ... #rheumatology #classification