7 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Red Flags: • Fever ... • Extremes of age ... Autoimmune Vasculitis (lupus ... cryoglobulins • Skin
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... Glomerulonephritis Myositis(5%) Blood ... signs #symptoms #diagnosis
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... Dermatomyositis • Fever ... onset [33-74%] • Blood ... dermatology #diagnosis
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... , breast CA - Hematologic ... ’s syndrome - Lupus ... neutrophils in the blood
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
mucositis - Rash ... Takayasu: - Age ... such as systemic lupus ... Vasculitis: • Fevers ... Large Vessel: Blood
Acute Generalized Exanthematous Pustulosis (AGEP)

AGEP is largely a clinical diagnosis based on classical skin findings in
a clinical diagnosis ... based on classical skin ... Criteria: - Fever ... Elevated white blood ... #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... Takayasu: • Age ... temporal artery • Age ... , mucositis • Rash ... #Rheumatology