7 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Vasculitis - Collagen disorders ... RMSF - Henoch Schonlein ... : - Autoimmune ... cryoglobulins • Skin
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Moccasin-variety Tinea ... Over the years: rash ... Diagnosis? ... skin of inflamed ... type #clinical #photo
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Purpura - Skin ... reticularis & skin ... Labs/Diagnosis: ... vasculitis (Henoch-Schönlein ... classification #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... Differential Diagnosis ... disease • Non-autoimmune ... rheumatologic diseases ... #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... of shoulder and hip ... , mucositis • Rash ... present) Henoch Schonlein ... #Rheumatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
gammopathy, and skin ... Connective tissue disorders ... Cirrhosis, ETOH, autoimmune ... #differential #diagnosis ... #hematology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... ) • Anti-Mi2 (skin ... Symptoms: • Gottron rash ... weakness + atrophy- Hip ... Other Diseases: • PBC