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hematology causes abnormal algorithm antinuclear coagulation disorders erythematosus myopathies myopathy myositis platelet prolonged pt signs sle symptoms systemic table vasculitis
ANA Patterns and Associated Rheumatic Diseases: • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... #Antinuclear #Antibodies ... #ANA #patterns ... #rheumatology #diagnosis ... #differential
Antinuclear Antibodies (ANA) ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
: The ANA patterns ... Patterns and Associated ... #ANA #patterns ... #rheumatology #diagnosis ... #differential
Rapidly Progressive Glomerulonephritis (RPGN) RPGN has three primary pathophysiologic causes differentiated by immunofluorescence Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... Purpura Anti-GBM antibodies ... #diagnosis #algorithm ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis Manifestations: - Arthritis 69% - Malar rash 40% - Fever 36% -
SLE-Related Auto-Antibodies ... : - ANA 95-100% ... (aPL) 30-45% Differential ... Diagnosis and Lupus ... #rheumatology
Differential Diagnosis for a Prolonged PT and aPTT If the PT and the aPTT are both prolonged,
Differential Diagnosis ... and the aPTT are ... antiphospholipid antibodies ... #differential # ... hematology #coagulation
Causes of Abnormal PT and/or aPTT Prolonged Prothrombin Time (PT) 1. Acquired deficiency of FVII
antiphospholipid antibodies ... antiphospholipid antibodies ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Myositis and Myopathies Polymyositis • Progressive, symmetric muscle weakness • Elevated CK, +Anti-Jo, +Anti-Mi2 Dermatomyositis
joint aches • +ANA ... uncommon 5-15% of lupus ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Inflammatory Myopathies Dermatomyositis • Onset: Subacute • Pattern: Proximal • CK: Up to 50X ULN • Autoantibodies:
Associated Features: Diagnosis ... : Proximal and distal ... Inflammatory #Myopathies #differential ... #diagnosis #comparison ... #rheumatology #
Paraproteinemias Entities That Can Feature A Monoclonal Protein/M Component: • MM • WM • MGUS • MGCS • MGRS • Splenic Marginal Zone
histiocytosis, and ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Monoclonal #Differential ... #Diagnosis #Oncology
Vasculitis and Vasculitides - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions •
rapidly progressing GN ... such as systemic lupus ... ) pattern: antibodies ... ) pattern: is usually ... #diagnosis #rheumatology
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