13 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
arthritis - (Reiter’s syndrome ... arthritis - with the skin ... Lupus - with Systemic ... like “butterfly rash ... #arthropathy #arthropathies
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Autoimmune Vasculitis (lupus ... deficiency Work ... cryoglobulins • Skin ... #Petechiae #Rash
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... Manifestations: Malar rash ... • Immunologic Workup ... • Evolution: Chronic ... disease Dr.
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... 3rd Decade Skin ... Non-autoimmune rheumatologic ... Seizures • Strokes Skin ... : • Chronic B-cell
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Discontinuation of causal ... months to years) Systemic ... • Evolution: Chronic ... disease Dr. ... comparison #table #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... • Autoimmune diseases ... lupus erythematosus ... classification #rheumatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
disease. ... Rare Disorder: ... - Rash: multiple ... Causes: - Idiopathic ... - Lupus - Leukemia
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... tract, and often causes ... mucositis - Rash ... lupus erythematosus ... differential #diagnosis #rheumatology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Capitis - Skin ... Disease: Discoid ... , Loose anagen syndrome ... Vitamin D levels Systemic ... weight loss • Chronic
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... Hepatomegaly • Skin ... cells can indicate disease ... lymphoproliferative disorders ... Leukemia #diagnosis #workup