15 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
heliotrope rash, Shaw sign ... , holster sign, ... /full triad at diagnosis ... significant weakness after ... #diagnosis #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... initially worsens after ... Inclusion Body Myositis ... Inflammatory #Myopathies #differential ... #rheumatology #
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
anemia 4% - Myositis ... (aPL) 30-45% Differential ... autoantibodies #signs ... symptoms #mimickers #differential ... #rheumatology
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Diagnosis Malar ... not be seen try focus ... migrans: • Target sign ... • Accentuated after ... #diagnosis #peds
Bear Paw Sign of Xanthogranulomatous Pyelonephritis on POCUS

Adult female with right flank pain, fever, leukocytosis, soft
Pyelonephritis on POCUS ... vitals, and dirty urine ... Diagnosis/differential ... Underwent nephrectomy after ... #POCUS #clinical
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... involve the temporal artery ... very remarkable w/differential ... them, but urgent rheumatology ... GCA #Temporal #Signs
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

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

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
agglutination After ... younger pts) Differential ... passage of red-brown urine ... hemolytic #anemia #hematology ... #diagnosis
SLE (Systemic Lupus Erythematosus)

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

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... Superficial temporal artery ... purpura: strong sign ... #diagnosis #rheumatology