11 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... , holster sign, ... significant weakness after ... #Myositis #diagnosis ... #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... exclusion Necrotizing Autoimmune ... Myositis • Onset ... initially worsens after ... #comparison #rheumatology
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Multi-system autoimmune ... skin thickening Signs ... acro-osteolysis, myositis ... Scleroderma #SSc #rheumatology ... #diagnosis #signs
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... noninflammatory Signs ... Rheumatologic Disease ... #Differential #Diagnosis ... #MSK #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... agglutination After ... CLL (older) • Autoimmune ... passage of red-brown urine ... hemolytic #anemia #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... rheumatologic diseases ... edema, active urine ... /LAC: • Renal artery ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Conjunctivitis, mucositis ... Superficial temporal artery ... purpura: strong sign ... #rheumatology #
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
during or shortly after ... flank pain, dark urine ... RBCs (stored at 4C ... #Transfusion #diagnosis ... #management #hematology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... RP-ILD), dermato-rheumatologic ... papules and Gottron sign ... ) • Shawl sign ... #rheumatology #
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
flank pain, dark urine ... hours to 30 days after ... RBCs (stored at 4C ... #Transfusions #diagnosis ... #management #hematology