8 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... less systemic symptoms ... can present with rash ... including heliotrope rash ... Can also see mechanics
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
hair follicles -> causes ... plugging -> Discoid Rash ... Malar (butterfly) Rash ... #diagnosis #signs ... #symptoms #complications
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... within morulae Signs ... and symptoms: ... shaking chills • Rash ... ), cough (30% cases
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Differential Diagnosis Algorithm ... formation, systemic autoimmune ... Erythematosus (SLE ... should have other symptoms ... like “butterfly rash
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
fatigue Heat Rash ... Collapse: • Pathophysiology ... → Syncope • Signs ... /Symptoms: - Lightheadedness ... differential #diagnosis #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... Presentation - Systemic Symptoms ... purpura: strong sign ... vasculitis, and SLE
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... purpura: Strong sign ... , mucositis • Rash ... • Progressive symptoms ... tract, and often causes
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... : • Gottron rash ... papules and Gottron sign ... ) • Shawl sign ... statins - probably caused