10 results
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
DDX: • ANCA (Antineutrophil ... • IgA vasculitis ... • Vasculitis ... #rheumatology # ... vasculitis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
lupus erythematosus ... in drug-induced SLE ... Vasculitis: • ... Renal-limited vasculitis ... antibodies #diagnosis #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... associated vasculitis ... lupus erythematosus ... (SLE), Sarcoidosis ... #Diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... often causes arthritis ... , and SLE) • Urinalysis ... #rheumatology # ... classification
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Leukocytoclastic vasculitis ... • Ig A vasculitis ... HCV, HBV Not Vasculitis ... #Diagnosis #hematology ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... vasculitis, rheumatoid ... • Mesenteric vasculitis ... inflammation Cutaneous Vasculitis ... #Diagnosis #Rheumatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Diagnosis Algorithm ... ASA) • Renal Disease ... • Steroids • Vasculitis ... #Causes #Hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Infection - Vasculitis ... - Autoimmune Vasculitis ... antinuclear antibodies, antineutrophil ... immunoglobulins & cryoglobulins ... #Causes #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... diseases, such as SLE ... ischemia • Skin: Erythematous ... often causes arthritis ... Diagnosis #Rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... (cutaneous or systemic ... of necrotizing vasculitis ... presenting with erythematous ... comparison #table #differential