9 results
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Diagnosis Algorithm ... • Bullous systemic ... lupus erythematous ... Vesiculobullous #SkinRash ... #dermatology #Differential
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... lupus erythematosus ... #ANCA #Antineutrophil ... #antibodies #diagnosis ... #rheumatology #
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Lupus Erythematosus ... CHAMPS #Mnemonic #diagnosis ... #differential # ... hematology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
the face (many differential ... diagnoses, including ... #clues #system ... #erythematosus # ... rheumatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Auspitz sign, Koebner's ... soles • Discoid Lupus ... Papulosquamous #SkinRash ... #dermatology #Differential ... #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... Examination: • Signs ... Vitamin D levels Systemic ... #Diagnosis #dermatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... DDX: • ANCA (Antineutrophil ... lupus erythematosus ... #types #classification ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... Diagnosis: Systemic ... lupus erythematosus ... #diagnosis #rheumatology ... #classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis: • Systemic ... purpura: Strong sign ... ischemia • Skin: Erythematous ... often causes arthritis ... #Diagnosis #Rheumatology