82 results
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
- Arthralgia, Arthritis ... Weakness, Incr CK ... Erythematosus #SLE #MSK ... pathophysiology #signs #symptoms ... #diagnosis
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
weakness • Elevated CK ... rash • Elevated CK ... with temporal arteritis ... mildly elevated CK ... #differential #diagnosis
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
Cell (Temporal) Arteritis ... skin lesions - Muscle-soreness ... Pathophysiology #Diagnosis ... #Signs #Symptoms ... #Vasculitis
Giant Cell (Temporal) Arteritis: Clinical findings and Complications
Signs/Symptoms: 
 - Headache (usually constant, superimposed by waves
Cell (Temporal) Arteritis ... Complications Signs/Symptoms ... pulsatile - Masseter muscle ... GiantCell #Temporal #Arteritis ... #diagnosis #Vasculitis
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
associated with higher CK ... greater level of muscle ... less systemic symptoms ... myositis, and arthritis ... /full triad at diagnosis
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
- Differential Diagnosis ... Algorithm No Objective ... Deconditioning • Arthritis ... Myopathy - Proximal muscle ... involvement, elevated CK
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... should have other symptoms ... Joint #Disorders #msk ... #Differential #Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... and often causes arthritis ... Joints: myalgia and muscle ... Differential Diagnosis ... Presentation - Systemic Symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... Presentation: Systemic Symptoms ... shoulder and hip • Muscle ... • Progressive symptoms
Giant Cell Arteritis (GCA) - Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Visual Symptoms/Loss or
Giant Cell Arteritis ... (GCA) - Vasculitis ... Management Algorithm ... Without Visual Symptoms ... #GCA #Vasculitis